diff --git "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/10.\345\270\270\347\224\250\345\206\205\347\275\256\345\207\275\346\225\260/config.json" "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/10.\345\270\270\347\224\250\345\206\205\347\275\256\345\207\275\346\225\260/config.json"
index 34660ca714984b35c41c1da1d33657eabb513da1..032cd20c07c730aaab3c639ff36d5aad60386ad9 100644
--- "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/10.\345\270\270\347\224\250\345\206\205\347\275\256\345\207\275\346\225\260/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/10.\345\270\270\347\224\250\345\206\205\347\275\256\345\207\275\346\225\260/config.json"
@@ -1,130 +1,58 @@
 {
-  "export": [
-    "util_builtin_01.json",
-    "util_builtin_02.json",
-    "input.json"
-  ],
-  "keywords": [],
-  "children": [
-    {
-      "help": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-143",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "input": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-144",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "print": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-145",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "range": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-146",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "format": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-147",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "len": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-148",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "sorted": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-149",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "open": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-150",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "dir": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-151",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "enumerate/zip": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-152",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "type/isinstance": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-153",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "min/max/sum": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-154",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "abs/round/pow/divmod": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-155",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    }
-  ],
-  "node_id": "python-3-16",
-  "keywords_must": [],
-  "keywords_forbid": []
+    "export": [
+        "util_builtin_01.json",
+        "util_builtin_02.json",
+        "input.json"
+    ],
+    "keywords": [],
+    "children": [
+        {
+            "Python内置数学函数": {
+            "keywords": [],
+            "children": [],
+            "node_id": "python-4-154",
+            "keywords_must": [],
+            "keywords_forbid": []
+            }
+        },
+        {
+            "dir": {
+            "keywords": [],
+            "children": [],
+            "node_id": "python-4-151",
+            "keywords_must": [],
+            "keywords_forbid": []
+            }
+        },
+        {
+            "sorted": {
+            "keywords": [],
+            "children": [],
+            "node_id": "python-4-149",
+            "keywords_must": [],
+            "keywords_forbid": []
+            }
+        },
+        {
+            "input": {
+                "keywords": [],
+                "children": [],
+                "node_id": "python-4-144",
+                "keywords_must": [],
+                "keywords_forbid": []
+            }
+        },
+        {
+            "range": {
+                "keywords": [],
+                "children": [],
+                "node_id": "python-4-146",
+                "keywords_must": [],
+                "keywords_forbid": []
+            }
+        }
+    ],
+    "node_id": "python-3-16",
+    "keywords_must": [],
+    "keywords_forbid": []
 }
\ No newline at end of file
diff --git "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/2.\345\237\272\347\241\200\347\237\245\350\257\206/config.json" "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/2.\345\237\272\347\241\200\347\237\245\350\257\206/config.json"
index 8c6ac93a9c9326e657c28296fe5b8178f0550afc..d95a2433b8e842ad57f1d73ee70517da41b3fd60 100644
--- "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/2.\345\237\272\347\241\200\347\237\245\350\257\206/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/2.\345\237\272\347\241\200\347\237\245\350\257\206/config.json"
@@ -2,43 +2,6 @@
   "export": [],
   "keywords": [],
   "children": [
-    {
-      "总体概念": {
-        "keywords": [],
-        "children": [
-          {
-            "迭代": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1358",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "缓存": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1359",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "透明度": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1360",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1423",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "流程控制": {
         "keywords": [],
@@ -112,79 +75,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "迭代": {
-        "keywords": [],
-        "children": [
-          {
-            "序列解包": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1368",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "列表解析式": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1369",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "生成器表达式": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1370",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "集合解析式": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1371",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "字典解析式": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1372",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "将迭代器链接在一起": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1373",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "将迭代器压缩在一起": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1374",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1425",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "容器数据类型": {
         "keywords": [],
@@ -230,323 +120,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "导入代码": {
-        "keywords": [],
-        "children": [
-          {
-            "回退(备用)导入": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1379",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "从即将发布的版本中导入": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1380",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用__all__进行自定义导入": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1381",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "相对导入": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1382",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "__import__函数": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1383",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "importlib模块": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1384",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1427",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "令人兴奋的Python扩展：NIST的随机数信标": {
-        "keywords": [],
-        "children": [
-          {
-            "如何安装NIST信标库": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1385",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "示例：获取值": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1386",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "示例：模拟抛硬币并记录每次正反面的结果": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1387",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "安装Pandas和matplotlib": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1388",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "创建文本文件": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1389",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用Pandas显示数据": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1390",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "进行一些数据分析": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1391",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用matplotlib进行绘图": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1392",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图表的类型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1393",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "安装Scrapy": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1394",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "运行Scrapy": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1395",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用Scrapy获取Web数据": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1396",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "通过Scrapy浏览网页": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1397",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "shell选项": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1398",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "安装Beautiful Soup": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1399",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用Beautiful Soup": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1400",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "如何安装feedparser库": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1401",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "如何使用feedparser库": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1402",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "安装NumPy": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1403",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用NumPy": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1404",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用NumPy数组": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1405",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "统计度量": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1406",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "如何安装Pillow库": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1407",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像显示：确定文件的大小和类型并显示": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1408",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像处理：裁剪图像的一部分": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1409",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "随机数": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1410",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "密码生成器": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1411",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1428",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-8",
diff --git "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/3.\345\207\275\346\225\260/config.json" "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/3.\345\207\275\346\225\260/config.json"
index 21bcb174bce43799de5187e0892e27c1a72bdf27..8f40e5d025ca1e020dcbded8bf3f8b763cd72886 100644
--- "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/3.\345\207\275\346\225\260/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/3.\345\207\275\346\225\260/config.json"
@@ -19,16 +19,16 @@
       }
     },
     {
-      "参数var": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-39",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
+        "函数的参数": {
+          "keywords": [],
+          "children": [],
+          "node_id": "python-4-46",
+          "keywords_must": [],
+          "keywords_forbid": []
+        }
     },
     {
-      "返回值return": {
+      "函数返回值": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-40",
@@ -36,15 +36,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "参数传递": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-41",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "函数调用": {
         "keywords": [],
@@ -54,69 +45,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "函数递归": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-43",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "函数编写风格": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-44",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "调用函数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-45",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "函数的参数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-46",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "递归函数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-47",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "None值": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-48",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "调用栈": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-49",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "局部和全局作用域": {
         "keywords": [],
@@ -153,370 +81,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "异常处理": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-51",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "把函数视作对象": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-52",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "可调用对象": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-53",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "用户定义的可调用类型": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-54",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "函数内省": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-55",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "从定位参数到仅限关键字参数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-56",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "获取关于参数的信息": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-57",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "支持函数式编程的包": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-58",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "传递实参": {
-        "keywords": [],
-        "children": [
-          {
-            "位置实参": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-28",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "关键字实参": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-29",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "默认值": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-30",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "等效的函数调用": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-31",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "避免实参错误": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-32",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-59",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "返回值": {
-        "keywords": [],
-        "children": [
-          {
-            "返回简单值": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-33",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "让实参变成可选的": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-34",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "返回字典": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-35",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-60",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "传递列表": {
-        "keywords": [],
-        "children": [
-          {
-            "在函数中修改列表": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-36",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "禁止函数修改列表": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-37",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-61",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "传递任意数量的实参": {
-        "keywords": [],
-        "children": [
-          {
-            "使用任意数量的关键字实参": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-38",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "导入特定的函数": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-39",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用as给函数指定别名": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-40",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用as给模块指定别名": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-41",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "导入模块中的所有函数": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-42",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-62",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "函数编写指南": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-63",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "编写可接受任意数量参数的函数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-64",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "编写只接受关键字参数的函数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-65",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "将元数据信息附加到函数参数上": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-66",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "从函数中返回多个值": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-67",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "定义带有默认参数的函数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-68",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "定义匿名或内联函数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-69",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "在匿名函数中绑定变量的值": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-70",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "让带有N个参数的可调用对象以较少的参数形式调用": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-71",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "用函数替代只有单个方法的类": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-72",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "在回调函数中携带额外的状态": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-73",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "内联回调函数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-74",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "访问定义在闭包内的变量": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-75",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-9",
diff --git "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/4.\347\261\273/config.json" "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/4.\347\261\273/config.json"
index bf6c20be0450d705dad7b510547b4c5d56c6858f..9f338bf25b3ce78027d165dbee19d3d4e25880d1 100644
--- "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/4.\347\261\273/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/4.\347\261\273/config.json"
@@ -4,380 +4,56 @@
     "hash_key_value_set.json",
     "hash_key_value_set_by_compose.json"
   ],
-  "keywords": [],
+  "keywords": [
+      "Python类",
+      "Python类继承",
+      "Python抽象类"
+  ],
   "children": [
     {
-      "类定义class": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-76",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "作用域和命名空间": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-77",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "对象": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-78",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "属性和方法": {
-        "keywords": [],
-        "children": [
-          {
-            "模拟数值类型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-43",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "字符串表示形式": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-44",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "自定义的布尔值": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-45",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-79",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "类编码风格": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-80",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "初探类": {
-        "keywords": [],
-        "children": [
-          {
-            "类定义语法": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-46",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "类对象": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-47",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "方法对象": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-48",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-81",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "补充说明": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-82",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "私有变量": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-83",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "生成器表达式": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-84",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "类到底是什么": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-85",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "创建自定义类": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-86",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "再谈隐藏": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-87",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "类的命名空间": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-88",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "指定超类": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-89",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "深入探讨继承": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-90",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "多个超类": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-91",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "接口和内省": {
-        "keywords": [],
-        "children": [
-          {
-            "Python文化中的接口和协议": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-49",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Python喜欢序列": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-50",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用猴子补丁在运行时实现协议": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-51",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Alex Martelli的水禽": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-52",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "定义抽象基类的子类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-53",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "标准库中的抽象基类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-54",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "定义并使用一个抽象基类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-55",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Tombola子类的测试方法": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-56",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Python使用register的方式": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-57",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "鹅的行为有可能像鸭子": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-58",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-92",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "抽象基类": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-93",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "导入类": {
-        "keywords": [],
-        "children": [
-          {
-            "导入单个类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-59",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "在一个模块中存储多个类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-60",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "从一个模块中导入多个类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-61",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "导入模块中的所有类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-62",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "自定义工作流程": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-63",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-94",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "Python标准库": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-95",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
+        "Python类定义class": {
+            "keywords": [],
+            "children": [],
+            "node_id": "python-4-76",
+            "keywords_must": [],
+            "keywords_forbid": []
+        }
+    },
+    {
+        "Python对象": {
+            "keywords": [],
+            "children": [],
+            "node_id": "python-4-78",
+            "keywords_must": [],
+            "keywords_forbid": []
+        }
+    },
+    {
+        "Python类属性和方法": {
+            "keywords": [],
+            "children": [],
+            "node_id": "python-4-79",
+            "keywords_must": [],
+            "keywords_forbid": []
+        }
+    },
+    {
+        "Python类继承": {
+          "keywords": [],
+          "children": [],
+          "node_id": "python-4-77",
+          "keywords_must": [],
+          "keywords_forbid": []
+        }
+    },
+    {
+        "Python抽象基类": {
+            "keywords": [],
+            "children": [],
+            "node_id": "python-4-93",
+            "keywords_must": [],
+            "keywords_forbid": []
+        }
     }
   ],
   "node_id": "python-3-10",
diff --git "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/6.\346\235\241\344\273\266\345\222\214\345\210\206\346\224\257/config.json" "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/6.\346\235\241\344\273\266\345\222\214\345\210\206\346\224\257/config.json"
index 09d6f086e30401e2105ad7523e0e2b2e644ffb24..033de54be64d04a7373203bcc05fb96887f0c270 100644
--- "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/6.\346\235\241\344\273\266\345\222\214\345\210\206\346\224\257/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/6.\346\235\241\344\273\266\345\222\214\345\210\206\346\224\257/config.json"
@@ -6,96 +6,22 @@
   "keywords": [],
   "children": [
     {
-      "if": {
+      "if-else语句": {
         "keywords": [],
-        "children": [
-          {
-            "if-else语句": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-64",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "if-elif-else结构": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-65",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "省略else代码块": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-66",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用if语句处理列表": {
-              "keywords": [],
-              "children": [
-                {
-                  "检查特殊元素": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-16",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "确定列表不是空的": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-17",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-67",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "设置if语句的格式": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-68",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
+        "children": [],
         "node_id": "python-4-96",
         "keywords_must": [],
         "keywords_forbid": []
       }
     },
     {
-      "elif": {
+      "if-elif-else结构": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-97",
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "else": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-98",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-12",
diff --git "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/9.\345\206\205\347\275\256\347\261\273/config.json" "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/9.\345\206\205\347\275\256\347\261\273/config.json"
index 31de93270bf2d71c8c0908fec53048112606d6de..dbebe01c1765b7a1f0907cd13ecd752a1fad963b 100644
--- "a/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/9.\345\206\205\347\275\256\347\261\273/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/2.\345\237\272\347\241\200\350\257\255\346\263\225/9.\345\206\205\347\275\256\347\261\273/config.json"
@@ -24,95 +24,12 @@
                 {
                   "遍历整个列表": {
                     "keywords": [],
-                    "children": [
-                      {
-                        "深入研究循环": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-0",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "在for循环中执行更多操作": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-1",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "在for循环结束后执行一些操作": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-2",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
+                    "children": [],
                     "node_id": "python-6-21",
                     "keywords_must": [],
                     "keywords_forbid": []
                   }
                 },
-                {
-                  "避免缩进错误": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "忘记缩进": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-3",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "忘记缩进额外的代码行": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-4",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "不必要的缩进": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-5",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "循环后不必要的缩进": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-6",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "遗漏了冒号": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-7",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-22",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
                 {
                   "创建数值列表": {
                     "keywords": [],
@@ -149,52 +66,6 @@
                     "keywords_must": [],
                     "keywords_forbid": []
                   }
-                },
-                {
-                  "设置代码格式": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "格式设置指南": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-11",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "行长": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-12",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "空行": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-13",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "其他格式设置指南": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-14",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-24",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
                 }
               ],
               "node_id": "python-5-84",
@@ -220,15 +91,6 @@
               "keywords_forbid": []
             }
           },
-          {
-            "增强的赋值操作": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-87",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
           {
             "序列数据类型": {
               "keywords": [],
@@ -238,15 +100,6 @@
               "keywords_forbid": []
             }
           },
-          {
-            "引用": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-89",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
           {
             "访问列表元素": {
               "keywords": [],
diff --git "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/6.\345\255\227\347\254\246\344\270\262\346\226\271\346\263\225/config.json" "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/6.\345\255\227\347\254\246\344\270\262\346\226\271\346\263\225/config.json"
index 5c2835fe758250e313ce52304e0694acbd18243c..46c8155bfc0ac2b493d6d03a6acd9c9947d95e79 100644
--- "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/6.\345\255\227\347\254\246\344\270\262\346\226\271\346\263\225/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/6.\345\255\227\347\254\246\344\270\262\346\226\271\346\263\225/config.json"
@@ -5,91 +5,121 @@
   "keywords": [],
   "children": [
     {
-      "find": {
+      "大小写转换": {
         "keywords": [],
-        "children": [],
-        "node_id": "python-4-173",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "index": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-174",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "join": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-175",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "lower": {
-        "keywords": [],
-        "children": [],
+        "children": [
+          {
+            "lower": {
+              "keywords": [],
+              "children": [],
+              "keywords_must": [],
+              "keywords_forbid": [],
+              "node_id": "python-7eb47ec847dd48cabfcd8ec6fe904311"
+            }
+          },
+          {
+            "upper": {
+              "keywords": [],
+              "children": [],
+              "keywords_must": [],
+              "keywords_forbid": [],
+              "node_id": "python-84604b2d679a4ef79c305887cf0212dd"
+            }
+          }
+        ],
         "node_id": "python-4-176",
         "keywords_must": [],
         "keywords_forbid": []
       }
     },
     {
-      "replace": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-177",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "split": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-178",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "strip": {
+      "字符串查找定位": {
         "keywords": [],
-        "children": [],
-        "node_id": "python-4-179",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "translate": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-180",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "upper": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-181",
+        "children": [
+          {
+            "find": {
+              "keywords": [],
+              "children": [],
+              "keywords_must": [],
+              "keywords_forbid": [],
+              "node_id": "python-21f1a2514d6e4877a239ab0efedb9516"
+            }
+          },
+          {
+            "index": {
+              "keywords": [],
+              "children": [],
+              "keywords_must": [],
+              "keywords_forbid": [],
+              "node_id": "python-30ec6720a67346dd9ea692eaf4dec6c4"
+            }
+          },
+          {
+            "center": {
+              "keywords": [],
+              "children": [],
+              "node_id": "python-4-182",
+              "keywords_must": [],
+              "keywords_forbid": []
+            }
+          }
+        ],
+        "node_id": "python-4-173",
         "keywords_must": [],
         "keywords_forbid": []
       }
     },
     {
-      "center": {
+      "字符串连结、替换、分拆、截尾、转换": {
         "keywords": [],
-        "children": [],
-        "node_id": "python-4-182",
+        "children": [
+          {
+            "join": {
+              "keywords": [],
+              "children": [],
+              "node_id": "python-4-175",
+              "keywords_must": [],
+              "keywords_forbid": []
+            }
+          },
+          {
+            "replace": {
+              "keywords": [],
+              "children": [],
+              "node_id": "python-4-177",
+              "keywords_must": [],
+              "keywords_forbid": []
+            }
+          },
+          {
+            "split": {
+              "keywords": [],
+              "children": [],
+              "node_id": "python-4-178",
+              "keywords_must": [],
+              "keywords_forbid": []
+            }
+          },
+          {
+            "strip": {
+              "keywords": [],
+              "children": [],
+              "node_id": "python-4-179",
+              "keywords_must": [],
+              "keywords_forbid": []
+            }
+          },
+          {
+            "translate": {
+              "keywords": [],
+              "children": [],
+              "node_id": "python-4-180",
+              "keywords_must": [],
+              "keywords_forbid": []
+            }
+          }
+        ],
+        "node_id": "python-4-175",
         "keywords_must": [],
         "keywords_forbid": []
       }
diff --git "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/7.lambda\345\207\275\346\225\260/config.json" "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/7.lambda\345\207\275\346\225\260/config.json"
index eddf4de614c160404b5b342a3e1bd4209abd07a0..bd7dd8053e8f91f7dd242b7ae35fd1f1c18a46ad 100644
--- "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/7.lambda\345\207\275\346\225\260/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/7.lambda\345\207\275\346\225\260/config.json"
@@ -4,98 +4,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "迭代器": {
-        "keywords": [],
-        "children": [
-          {
-            "迭代器协议": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-116",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "从迭代器创建序列": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-117",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-184",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "生成器": {
-        "keywords": [],
-        "children": [
-          {
-            "创建生成器": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-118",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "递归式生成器": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-119",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "通用生成器": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-120",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "生成器的方法": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-121",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "模拟生成器": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-122",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-185",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "装饰器": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-186",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "闭包": {
         "keywords": [],
diff --git "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/8.\346\226\207\344\273\266/config.json" "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/8.\346\226\207\344\273\266/config.json"
index eeb5031e1b9c51752f8196fd6257c83db6c51cee..f837cab4c81e2c474b62501c288fdcbc5a7b52d1 100644
--- "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/8.\346\226\207\344\273\266/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/8.\346\226\207\344\273\266/config.json"
@@ -6,22 +6,59 @@
   "keywords": [],
   "children": [
     {
-      "打开文件": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-188",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "文件基本方法": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-189",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
+        "文件的基本方法": {
+          "keywords": [],
+          "children": [
+              {
+                  "打开文件": {
+                    "keywords": [],
+                    "children": [],
+                    "node_id": "python-4-188",
+                    "keywords_must": [],
+                    "keywords_forbid": []
+                  }
+              },
+              {
+                  "读取和写入": {
+                  "keywords": [],
+                  "children": [],
+                  "node_id": "python-5-128",
+                  "keywords_must": [],
+                  "keywords_forbid": []
+                  }
+              },
+              {
+                  "使用管道重定向输出": {
+                  "keywords": [],
+                  "children": [],
+                  "node_id": "python-5-129",
+                  "keywords_must": [],
+                  "keywords_forbid": []
+                  }
+              },
+              {
+                  "读取和写入行": {
+                  "keywords": [],
+                  "children": [],
+                  "node_id": "python-5-130",
+                  "keywords_must": [],
+                  "keywords_forbid": []
+                  }
+              },
+              {
+                  "关闭文件": {
+                  "keywords": [],
+                  "children": [],
+                  "node_id": "python-5-131",
+                  "keywords_must": [],
+                  "keywords_forbid": []
+                  }
+              }
+          ],
+          "node_id": "python-4-191",
+          "keywords_must": [],
+          "keywords_forbid": []
+        }
     },
     {
       "文件内容迭代": {
@@ -77,61 +114,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "文件的基本方法": {
-        "keywords": [],
-        "children": [
-          {
-            "读取和写入": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-128",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用管道重定向输出": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-129",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "读取和写入行": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-130",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "关闭文件": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-131",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "使用文件的基本方法": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-132",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-191",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-24",
diff --git "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/9.\345\270\270\347\224\250\346\240\207\345\207\206\345\272\223/config.json" "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/9.\345\270\270\347\224\250\346\240\207\345\207\206\345\272\223/config.json"
index dabca5a31f1d62700d65ff0674c81afde1096f02..e1829e6ef88cb5acc0ce6c696fd5bdbe9aa7fa5f 100644
--- "a/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/9.\345\270\270\347\224\250\346\240\207\345\207\206\345\272\223/config.json"
+++ "b/data/1.python\345\210\235\351\230\266/3.\350\277\233\351\230\266\350\257\255\346\263\225/9.\345\270\270\347\224\250\346\240\207\345\207\206\345\272\223/config.json"
@@ -6,32 +6,33 @@
   "keywords": [],
   "children": [
     {
-      "datetime": {
+      "时间和日期处理": {
         "keywords": [],
-        "children": [],
+        "children": [
+          {
+            "time": {
+              "keywords": [],
+              "children": [],
+              "keywords_must": [],
+              "keywords_forbid": [],
+              "node_id": "python-aedfb48b088e44dc84828542e3024bfe"
+            }
+          },
+          {
+            "datetime": {
+              "keywords": [],
+              "children": [],
+              "keywords_must": [],
+              "keywords_forbid": [],
+              "node_id": "python-e7c88b634b8a4499aba7aca609764bb9"
+            }
+          }
+        ],
         "node_id": "python-4-192",
         "keywords_must": [],
         "keywords_forbid": []
       }
     },
-    {
-      "json": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-193",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "math": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-194",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "os": {
         "keywords": [],
@@ -42,19 +43,10 @@
       }
     },
     {
-      "random": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-196",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "re": {
+      "json": {
         "keywords": [],
         "children": [],
-        "node_id": "python-4-197",
+        "node_id": "python-4-193",
         "keywords_must": [],
         "keywords_forbid": []
       }
@@ -69,28 +61,10 @@
       }
     },
     {
-      "time": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-199",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "urllib": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-200",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "fileinput": {
+      "re": {
         "keywords": [],
         "children": [],
-        "node_id": "python-4-201",
+        "node_id": "python-4-197",
         "keywords_must": [],
         "keywords_forbid": []
       }
diff --git "a/data/2.python\344\270\255\351\230\266/1.\345\237\272\346\234\254\346\212\200\350\203\275/3.\346\225\260\346\215\256\346\226\207\344\273\266\350\257\273\345\206\231/config.json" "b/data/2.python\344\270\255\351\230\266/1.\345\237\272\346\234\254\346\212\200\350\203\275/3.\346\225\260\346\215\256\346\226\207\344\273\266\350\257\273\345\206\231/config.json"
index 5895b302764a6438cd1b08ee1bbc692131c29f66..3463b547630fe3022e7da4bd63816e80d14decc0 100644
--- "a/data/2.python\344\270\255\351\230\266/1.\345\237\272\346\234\254\346\212\200\350\203\275/3.\346\225\260\346\215\256\346\226\207\344\273\266\350\257\273\345\206\231/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/1.\345\237\272\346\234\254\346\212\200\350\203\275/3.\346\225\260\346\215\256\346\226\207\344\273\266\350\257\273\345\206\231/config.json"
@@ -10,7 +10,14 @@
   "keywords": [],
   "children": [
     {
-      "excel/csv/hdf/netCDF": {
+      "excel": {
+        "keywords": [],
+        "children": [],
+        "node_id": "python-4-754",
+        "keywords_must": [],
+        "keywords_forbid": []
+      },
+      "csv": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-754",
diff --git "a/data/2.python\344\270\255\351\230\266/1.\345\237\272\346\234\254\346\212\200\350\203\275/4.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json" "b/data/2.python\344\270\255\351\230\266/1.\345\237\272\346\234\254\346\212\200\350\203\275/4.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json"
index ab0bb8090aed00fbec31ff13b4065765c0309ffd..f82abdd6cb4e4b7991a15f72ff88120dc971a207 100644
--- "a/data/2.python\344\270\255\351\230\266/1.\345\237\272\346\234\254\346\212\200\350\203\275/4.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/1.\345\237\272\346\234\254\346\212\200\350\203\275/4.\346\225\260\346\215\256\345\272\223\346\223\215\344\275\234/config.json"
@@ -14,24 +14,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "数据库安装配置": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-756",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "SQL语句": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-757",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "SQLite": {
         "keywords": [],
@@ -107,13 +89,13 @@
       }
     },
     {
-      "MongoDB": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-760",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
+        "Redis": {
+          "keywords": [],
+          "children": [],
+          "node_id": "python-4-757",
+          "keywords_must": [],
+          "keywords_forbid": []
+        }
     }
   ],
   "node_id": "python-3-130",
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/config.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/config.json"
index 0ca1b6c4a78e7b2e214596875d85c54dc4707ce2..75781e557b020f3a322f997f34352d51ca927700 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/1.Web\345\274\200\345\217\221\345\237\272\347\241\200\347\237\245\350\257\206/config.json"
@@ -9,40 +9,22 @@
   "keywords": [],
   "children": [
     {
-      "HTML/HTML5/CSS": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-789",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
+        "HTTP协议": {
+            "keywords": [],
+            "children": [],
+            "node_id": "python-4-792",
+            "keywords_must": [],
+            "keywords_forbid": []
+        }
     },
     {
-      "前端数据库和后台": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-790",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "MVC架构": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-791",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "REST和Ajax": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-792",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
+        "HTTP错误码": {
+          "keywords": [],
+          "children": [],
+          "node_id": "python-4-792",
+          "keywords_must": [],
+          "keywords_forbid": []
+        }
     }
   ],
   "node_id": "python-3-136",
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/config.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/config.json"
index 9a00819a4bd3f00bd5792e08cfcad85365e5e99a..a92ccf0fcc484fa32181e53de0aa7e78e7f96c27 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/config.json"	
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/2. Django/config.json"	
@@ -4,15 +4,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "Django简介": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-793",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "Django安装配置": {
         "keywords": [],
@@ -57,33 +48,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "Django提交表单": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-799",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "Django Rest Framework": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-800",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "部署日志与安全": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-801",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-137",
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/config.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/config.json"
index 671a14d932d65bd6a169ff5c47374cc986659a56..96a8c4300a65992b5add772bfee1983a0c526114 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/config.json"	
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/3. Tornado/config.json"	
@@ -4,15 +4,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "Tornado简介": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-816",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "Tornado安装配置": {
         "keywords": [],
@@ -23,22 +14,13 @@
       }
     },
     {
-      "Tornado提交表单": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-818",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "Tornado模板": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-819",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
+        "Tornado模板": {
+          "keywords": [],
+          "children": [],
+          "node_id": "python-4-819",
+          "keywords_must": [],
+          "keywords_forbid": []
+        }
     },
     {
       "Tornado数据库操作": {
@@ -66,15 +48,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "部署日志与安全": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-823",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-138",
diff --git "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/config.json" "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/config.json"
index 34b844e913407eff9645452aa17434e8207f514e..dba0f6e8129e85a7bae469741067cdcb98d6ecbd 100644
--- "a/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/config.json"	
+++ "b/data/2.python\344\270\255\351\230\266/2.Web\345\272\224\347\224\250\345\274\200\345\217\221/4. Flask/config.json"	
@@ -4,832 +4,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "Flask简介": {
-        "keywords": [],
-        "children": [
-          {
-            "安装": {
-              "keywords": [],
-              "children": [
-                {
-                  "创建应用目录": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-56",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "虚拟环境": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-57",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "在Python 3中创建虚拟环境": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-58",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "在Python 2中创建虚拟环境": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-59",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "使用虚拟环境": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-60",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "使用pip安装Python包": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-61",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-467",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "应用的基本结构": {
-              "keywords": [],
-              "children": [
-                {
-                  "初始化": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-62",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "路由和视图函数": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-63",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "一个完整的应用": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-64",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "Web开发服务器": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-65",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "动态路由": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-66",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "调试模式": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-67",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "命令行选项": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-68",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "请求–响应循环": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "应用和请求上下文": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-15",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "请求分派": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-16",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "请求对象": {
-                          "keywords": [],
-                          "children": [
-                            {
-                              "对象显示": {
-                                "keywords": [],
-                                "children": [],
-                                "node_id": "python-8-0",
-                                "keywords_must": [],
-                                "keywords_forbid": []
-                              }
-                            },
-                            {
-                              "有效创建大量对象": {
-                                "keywords": [],
-                                "children": [],
-                                "node_id": "python-8-1",
-                                "keywords_must": [],
-                                "keywords_forbid": []
-                              }
-                            },
-                            {
-                              "由字符串调用对象": {
-                                "keywords": [],
-                                "children": [],
-                                "node_id": "python-8-2",
-                                "keywords_must": [],
-                                "keywords_forbid": []
-                              }
-                            }
-                          ],
-                          "node_id": "python-7-17",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "请求钩子": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-18",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-69",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "Flask扩展": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-70",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-468",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "模板": {
-              "keywords": [],
-              "children": [
-                {
-                  "Jinja2模板引擎": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "渲染模板": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-19",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "变量": {
-                          "keywords": [],
-                          "children": [
-                            {
-                              "匿名函数捕获变量值": {
-                                "keywords": [],
-                                "children": [],
-                                "node_id": "python-8-3",
-                                "keywords_must": [],
-                                "keywords_forbid": []
-                              }
-                            },
-                            {
-                              "访问闭包中定义的变量": {
-                                "keywords": [],
-                                "children": [],
-                                "node_id": "python-8-4",
-                                "keywords_must": [],
-                                "keywords_forbid": []
-                              }
-                            }
-                          ],
-                          "node_id": "python-7-20",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "控制结构": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-21",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-71",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "使用Flask-Bootstrap集成Bootstrap": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-72",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "自定义错误页面": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-73",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "链接": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-74",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "静态文件": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-75",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "使用Flask-Moment本地化日期和时间": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-76",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-469",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Web表单": {
-              "keywords": [],
-              "children": [
-                {
-                  "配置": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-77",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "表单类": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-5-1569",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "把表单渲染成HTML": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-5-1570",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "在视图函数中处理表单": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-80",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "重定向和用户会话": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-81",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "闪现消息": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-82",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-470",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "数据库": {
-              "keywords": [],
-              "children": [
-                {
-                  "SQL数据库": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-83",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "NoSQL数据库": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-84",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "使用SQL还是NoSQL": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-85",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "Python数据库框架": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-86",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "使用Flask-SQLAlchemy管理数据库": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-87",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "定义模型": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-88",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "关系": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-89",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "数据库操作": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "创建表": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-22",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "插入行": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-23",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "修改行": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-24",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "删除行": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-25",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "查询行": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-26",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-90",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "在视图函数中操作数据库": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-91",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "集成Python shell": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-92",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "使用Flask-Migrate实现数据库迁移": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "创建迁移仓库": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-27",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "创建迁移脚本": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-28",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "更新数据库": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-29",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "添加几个迁移": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-30",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-93",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-471",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "电子邮件": {
-              "keywords": [],
-              "children": [
-                {
-                  "电子邮件系统组件和协议": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-94",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "发送电子邮件": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-95",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "Python和SMTP": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-96",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "smtplib.SMTP类方法": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-97",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "交互式SMTP示例": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-98",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "SMTP的其他内容": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-99",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "接收电子邮件": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-100",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "POP和IMAP": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-101",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "交互式POP3示例": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-102",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "poplib.POP3类方法": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-103",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "客户端程序SMTP和POP3示例": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-104",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "交互式IMAP4示例": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-105",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "imaplib.IMAP4类中的常用方法": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-106",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-472",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "大型应用的结构": {
-              "keywords": [],
-              "children": [
-                {
-                  "配置选项": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-107",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "应用包": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "使用应用工厂函数": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-31",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "在蓝本中实现应用功能": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-32",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-108",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "应用脚本": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-109",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "需求文件": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-110",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "单元测试": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "blog应用的代码审查": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-33",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-111",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "创建数据库": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-112",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "运行应用": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-113",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-473",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-825",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "Flask安装配置": {
         "keywords": [],
@@ -848,15 +22,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "Flask cookie与session": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-828",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "Flask模板": {
         "keywords": [],
@@ -866,15 +31,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "Flask提交表单": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-830",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "Flask数据库操作": {
         "keywords": [],
@@ -883,33 +39,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "Bootstrap-Flask": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-832",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "Flask开发REST Web服务": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-833",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "部署日志与安全": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-834",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-139",
diff --git "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/10.\345\212\250\346\200\201\346\270\262\346\237\223\351\241\265\351\235\242\347\210\254\345\217\226/config.json" "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/10.\345\212\250\346\200\201\346\270\262\346\237\223\351\241\265\351\235\242\347\210\254\345\217\226/config.json"
index 85d6d2a96c2483d31e25d67e55f1fcd34f6a636d..f9317798e35268b643fe414150623aba558cd9b7 100644
--- "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/10.\345\212\250\346\200\201\346\270\262\346\237\223\351\241\265\351\235\242\347\210\254\345\217\226/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/10.\345\212\250\346\200\201\346\270\262\346\237\223\351\241\265\351\235\242\347\210\254\345\217\226/config.json"
@@ -4,24 +4,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "Splash的使用": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-956",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "Splash负载均衡配置": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-957",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "使用Selenium爬取淘宝商品": {
         "keywords": [],
diff --git "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/2.\346\255\243\345\210\231\350\241\250\350\276\276\345\274\217/config.json" "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/2.\346\255\243\345\210\231\350\241\250\350\276\276\345\274\217/config.json"
index c80ef0ce1c2faf4373a33283043cdcda7b3f4a06..e46ad9a256d465f70905406a60962879e52dd0a9 100644
--- "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/2.\346\255\243\345\210\231\350\241\250\350\276\276\345\274\217/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/2.\346\255\243\345\210\231\350\241\250\350\276\276\345\274\217/config.json"
@@ -8,7 +8,7 @@
   "keywords": [],
   "children": [
     {
-      "RE(Regular Expression )": {
+      "正则表达式库: re": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-871",
diff --git "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/3.Beautiful Soup/config.json" "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/3.Beautiful Soup/config.json"
index 07a1b5d931c0122aa055a8a006a51e59e9cd9751..31dbdf85714c04716d53b685114d60d510909001 100644
--- "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/3.Beautiful Soup/config.json"	
+++ "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/3.Beautiful Soup/config.json"	
@@ -7,16 +7,7 @@
   "keywords": [],
   "children": [
     {
-      "Beautiful Soup简介": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-878",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "安装配置": {
+      "Beautiful Soup 安装配置": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-879",
diff --git "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/4.lxml/config.json" "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/4.lxml/config.json"
index ea4dc894522e60e049fbd19d572462e53d2b69c6..164d76525fab16280b7281e90e3eb492212e91fd 100644
--- "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/4.lxml/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/4.lxml/config.json"
@@ -7,7 +7,7 @@
   "keywords": [],
   "children": [
     {
-      "安装配置": {
+      "lxml安装配置": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-883",
@@ -50,15 +50,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "解析HTML": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-888",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-150",
diff --git "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/5.requests/config.json" "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/5.requests/config.json"
index 3136cc0d89202207e6e81bea5e4cb8855ac999ba..ab0ba68c28dfb39b35ef5e93ba7ed88f405d6349 100644
--- "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/5.requests/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/5.requests/config.json"
@@ -7,7 +7,7 @@
   "keywords": [],
   "children": [
     {
-      "安装配置": {
+      "requests安装配置": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-889",
@@ -16,7 +16,7 @@
       }
     },
     {
-      "发送请求与HTTP请求类型": {
+      "requests发送请求与HTTP请求类型": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-890",
@@ -25,7 +25,7 @@
       }
     },
     {
-      "传递URL参数": {
+      "requests传递URL参数": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-891",
@@ -34,16 +34,7 @@
       }
     },
     {
-      "响应内容": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-892",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "定制请求头": {
+      "requests定制请求头": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-893",
@@ -51,33 +42,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "响应状态码": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-894",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "Cookie": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-895",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "POST请求": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-896",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "身份认证": {
         "keywords": [],
diff --git "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/6.Selenium/config.json" "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/6.Selenium/config.json"
index 32ae6044b5246a40b5e7e5fae27e182fdc2767b1..a00f79fbd893cf537fbf781bc3b14855c163017b 100644
--- "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/6.Selenium/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/6.Selenium/config.json"
@@ -6,16 +6,7 @@
   "keywords": [],
   "children": [
     {
-      "Selenium简介": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-900",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "安装配置": {
+      "Selenium安装配置": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-901",
@@ -24,7 +15,7 @@
       }
     },
     {
-      "单元素定位（find_element_id/name/xpath）": {
+      "Selenium单元素定位（find_element_id/name/xpath）": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-902",
@@ -33,7 +24,7 @@
       }
     },
     {
-      "多元素定位（find_elements_id/name/xpath）": {
+      "Selenium多元素定位（find_elements_id/name/xpath）": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-903",
@@ -42,62 +33,7 @@
       }
     },
     {
-      "常用方法和属性": {
-        "keywords": [],
-        "children": [
-          {
-            "可管理属性创建": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-535",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "延迟计算属性": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-536",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "属性的代理访问": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-537",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "创建用于计算的属性": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-538",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "为属性添加安全保护机制": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-539",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-904",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "键盘和鼠标操作": {
+      "Selenium键盘和鼠标操作": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-905",
@@ -106,16 +42,7 @@
       }
     },
     {
-      "WebDriver API": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-906",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "表单交互": {
+      "Selenium表单交互": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-907",
diff --git "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/7.Scrapy\346\241\206\346\236\266/config.json" "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/7.Scrapy\346\241\206\346\236\266/config.json"
index 6ccd43fac1e9599531867e5d3ce571d68244bdfb..3db5ed88eb55f1215024ace43c0b344be132eb4c 100644
--- "a/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/7.Scrapy\346\241\206\346\236\266/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/3.\347\275\221\347\273\234\347\210\254\350\231\253/7.Scrapy\346\241\206\346\236\266/config.json"
@@ -6,16 +6,7 @@
   "keywords": [],
   "children": [
     {
-      "Scrapy简介": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-908",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "安装配置": {
+      "Scrapy安装配置": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-909",
@@ -33,7 +24,7 @@
       }
     },
     {
-      "Item Pipeline": {
+      "Scrapy Item Pipeline": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-911",
@@ -42,7 +33,7 @@
       }
     },
     {
-      "Downloader": {
+      "Scrapy Downloader": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-912",
@@ -51,22 +42,13 @@
       }
     },
     {
-      "Spiders": {
+      "Scrapy Spiders": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-913",
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "Scheduler": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-914",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-153",
diff --git "a/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/1.Tkinter/config.json" "b/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/1.Tkinter/config.json"
index 448397bff25d2a1c0f8c4a5da92b0d255b502547..2202842f9cc0fa7fbf1502c7dc76244a3814c6b7 100644
--- "a/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/1.Tkinter/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/1.Tkinter/config.json"
@@ -6,16 +6,7 @@
   "keywords": [],
   "children": [
     {
-      "Tkinter简介": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-988",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "安装配置": {
+      "Tkinter安装配置": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-989",
@@ -40,24 +31,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "标准属性": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-992",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "几何管理": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-993",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-174",
diff --git "a/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/2.PyQT/config.json" "b/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/2.PyQT/config.json"
index 5a35b6ccb8c16ea22bc01d90b9bb14afcb0dfe72..9d5585ea5fd2635d85b0cffb1b5258e8cacfa13c 100644
--- "a/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/2.PyQT/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/2.PyQT/config.json"
@@ -7,16 +7,7 @@
   "keywords": [],
   "children": [
     {
-      "PyQT简介": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-994",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "安装配置": {
+      "PyQT安装配置": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-995",
@@ -24,15 +15,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "PyQT模块": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-996",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "PyQT布局管理": {
         "keywords": [],
@@ -43,16 +25,7 @@
       }
     },
     {
-      "PyQT菜单和工具栏": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-998",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "事件和信号": {
+      "PyQT事件和信号": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-999",
@@ -77,15 +50,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "PyQT拖拽与绘图": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1002",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-175",
diff --git "a/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/3.WxPython/config.json" "b/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/3.WxPython/config.json"
index dfdbde2f005d25f8bf157aadc84dfdeb1c8db2c1..eb5d02e8f9884af8707a13469c9c9c55a7d78bc4 100644
--- "a/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/3.WxPython/config.json"
+++ "b/data/2.python\344\270\255\351\230\266/4.\346\241\214\351\235\242\345\272\224\347\224\250\345\274\200\345\217\221/3.WxPython/config.json"
@@ -6,16 +6,7 @@
   "keywords": [],
   "children": [
     {
-      "WxPython简介": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1003",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "安装配置": {
+      "WxPython安装配置": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-1004",
@@ -23,15 +14,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "WxPython常用类": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1005",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "WxPython布局管理": {
         "keywords": [],
@@ -67,24 +49,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "WxPython拖拽处理": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1010",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "WxPython绘图API": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1011",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-176",
diff --git "a/data/3.python\351\253\230\351\230\266/1.\347\247\221\345\255\246\350\256\241\347\256\227\345\237\272\347\241\200\350\275\257\344\273\266\345\214\205NumPy/4.\346\223\215\344\275\234\346\225\260\347\273\204/config.json" "b/data/3.python\351\253\230\351\230\266/1.\347\247\221\345\255\246\350\256\241\347\256\227\345\237\272\347\241\200\350\275\257\344\273\266\345\214\205NumPy/4.\346\223\215\344\275\234\346\225\260\347\273\204/config.json"
index 8df949b3ff2de3ffc78542eb3caff983b1c120f9..aca1c9ee44a01ae4958673dd14dd57269d1655cb 100644
--- "a/data/3.python\351\253\230\351\230\266/1.\347\247\221\345\255\246\350\256\241\347\256\227\345\237\272\347\241\200\350\275\257\344\273\266\345\214\205NumPy/4.\346\223\215\344\275\234\346\225\260\347\273\204/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/1.\347\247\221\345\255\246\350\256\241\347\256\227\345\237\272\347\241\200\350\275\257\344\273\266\345\214\205NumPy/4.\346\223\215\344\275\234\346\225\260\347\273\204/config.json"
@@ -4,15 +4,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "索引": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1125",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "切片": {
         "keywords": [],
@@ -23,16 +14,7 @@
       }
     },
     {
-      "改变数组结构": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1127",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "合并和拆分": {
+      "合并、拆分、复制": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-1128",
@@ -40,15 +22,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "复制": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1129",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "排序": {
         "keywords": [],
@@ -75,15 +48,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "数组I/O": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1133",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-198",
diff --git "a/data/3.python\351\253\230\351\230\266/1.\347\247\221\345\255\246\350\256\241\347\256\227\345\237\272\347\241\200\350\275\257\344\273\266\345\214\205NumPy/5.\345\270\270\347\224\250\345\207\275\346\225\260/config.json" "b/data/3.python\351\253\230\351\230\266/1.\347\247\221\345\255\246\350\256\241\347\256\227\345\237\272\347\241\200\350\275\257\344\273\266\345\214\205NumPy/5.\345\270\270\347\224\250\345\207\275\346\225\260/config.json"
index 8c2ab38fb2229439c3a0593ea82a1a43f79ac668..903f09dffefcca728b750c2cc759de70cd6631b3 100644
--- "a/data/3.python\351\253\230\351\230\266/1.\347\247\221\345\255\246\350\256\241\347\256\227\345\237\272\347\241\200\350\275\257\344\273\266\345\214\205NumPy/5.\345\270\270\347\224\250\345\207\275\346\225\260/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/1.\347\247\221\345\255\246\350\256\241\347\256\227\345\237\272\347\241\200\350\275\257\344\273\266\345\214\205NumPy/5.\345\270\270\347\224\250\345\207\275\346\225\260/config.json"
@@ -13,15 +13,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "函数命名空间": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1135",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "数学函数": {
         "keywords": [],
@@ -57,15 +48,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "自定义广播函数": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1140",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-199",
diff --git "a/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/1.Pandas\346\246\202\350\247\210/config.json" "b/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/1.Pandas\346\246\202\350\247\210/config.json"
index 853a090a473a56800764eae6705001857873ffd0..3f68199dd1d3777a7bb84448050fcc294a1f8c34 100644
--- "a/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/1.Pandas\346\246\202\350\247\210/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/1.Pandas\346\246\202\350\247\210/config.json"
@@ -6,16 +6,7 @@
   "keywords": [],
   "children": [
     {
-      "Panda的特点": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1150",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "安装和使用": {
+      "Panda安装和使用": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-1151",
diff --git "a/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/3.\345\237\272\346\234\254\346\223\215\344\275\234/config.json" "b/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/3.\345\237\272\346\234\254\346\223\215\344\275\234/config.json"
index d1e72de3ded56e3ab905728d047af55f4a66155e..412815517b5da89cf512ec3dc09a2c274962afd5 100644
--- "a/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/3.\345\237\272\346\234\254\346\223\215\344\275\234/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/3.\345\237\272\346\234\254\346\223\215\344\275\234/config.json"
@@ -5,15 +5,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "数据预览": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1155",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "数据选择": {
         "keywords": [],
diff --git "a/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/4.\351\253\230\347\272\247\345\272\224\347\224\250/config.json" "b/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/4.\351\253\230\347\272\247\345\272\224\347\224\250/config.json"
index f74a872bfe18cf78a297c8f68f28ea033735200d..8fd3bdb2bff099e9d15a2d6a62ed74a10d7a67b5 100644
--- "a/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/4.\351\253\230\347\272\247\345\272\224\347\224\250/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/2.\347\273\223\346\236\204\345\214\226\346\225\260\346\215\256\345\210\206\346\236\220\345\267\245\345\205\267Pandas/4.\351\253\230\347\272\247\345\272\224\347\224\250/config.json"
@@ -22,15 +22,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "层次化索引": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1163",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "表级广播函数": {
         "keywords": [],
@@ -40,15 +31,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "日期时间索引对象": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1165",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "透视表": {
         "keywords": [],
@@ -66,15 +48,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "数据I/O": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1168",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-206",
diff --git "a/data/3.python\351\253\230\351\230\266/3.\347\273\230\345\233\276\345\272\223Matplotlib/3.\345\233\276\345\275\242\347\273\230\345\210\266/config.json" "b/data/3.python\351\253\230\351\230\266/3.\347\273\230\345\233\276\345\272\223Matplotlib/3.\345\233\276\345\275\242\347\273\230\345\210\266/config.json"
index 25daeee318bfab283f464b2f764072e7d1f004b3..4601b4644a5d6e0ac3189a28a729c7282fadb1ad 100644
--- "a/data/3.python\351\253\230\351\230\266/3.\347\273\230\345\233\276\345\272\223Matplotlib/3.\345\233\276\345\275\242\347\273\230\345\210\266/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/3.\347\273\230\345\233\276\345\272\223Matplotlib/3.\345\233\276\345\275\242\347\273\230\345\210\266/config.json"
@@ -49,24 +49,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "绘制图像": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1179",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "极坐标绘图": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1180",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-209",
diff --git "a/data/3.python\351\253\230\351\230\266/3.\347\273\230\345\233\276\345\272\223Matplotlib/4.\351\243\216\346\240\274\345\222\214\346\240\267\345\274\217/config.json" "b/data/3.python\351\253\230\351\230\266/3.\347\273\230\345\233\276\345\272\223Matplotlib/4.\351\243\216\346\240\274\345\222\214\346\240\267\345\274\217/config.json"
index e84809f91b9d674060e64278d13d77c42c27281d..914ceb60bc32b29e9d5746ed4901f54b088b5880 100644
--- "a/data/3.python\351\253\230\351\230\266/3.\347\273\230\345\233\276\345\272\223Matplotlib/4.\351\243\216\346\240\274\345\222\214\346\240\267\345\274\217/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/3.\347\273\230\345\233\276\345\272\223Matplotlib/4.\351\243\216\346\240\274\345\222\214\346\240\267\345\274\217/config.json"
@@ -39,51 +39,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "坐标轴": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1185",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "刻度": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1186",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "文本": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1187",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图例": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1188",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "网格设置": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1189",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-210",
diff --git "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/1.\346\234\272\345\231\250\345\255\246\344\271\240\345\267\245\345\205\267\345\214\205Scikit-learn/config.json" "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/1.\346\234\272\345\231\250\345\255\246\344\271\240\345\267\245\345\205\267\345\214\205Scikit-learn/config.json"
index c599ef5d262eeb882e4ade7fdab7302d48b299ad..c93971131f4000d5b36181ca2dc48de679c9860b 100644
--- "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/1.\346\234\272\345\231\250\345\255\246\344\271\240\345\267\245\345\205\267\345\214\205Scikit-learn/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/1.\346\234\272\345\231\250\345\255\246\344\271\240\345\267\245\345\205\267\345\214\205Scikit-learn/config.json"
@@ -5,126 +5,7 @@
   "keywords": [],
   "children": [
     {
-      "Scikit-learn概览": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1308",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "安装配置": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1309",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "数据集": {
-        "keywords": [],
-        "children": [
-          {
-            "Scikit-learn自带的数据集": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-980",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "样本生成器": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-981",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "加载其他数据集": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-982",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1310",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "数据预处理Preprocessing": {
-        "keywords": [],
-        "children": [
-          {
-            "标准化": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-983",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "归一化": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-984",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "正则化": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-985",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "离散化": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-986",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "特征编码": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-987",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "缺失值补全": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-988",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1311",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "分类Classification": {
+      "Scikit-learn分类Classification": {
         "keywords": [],
         "children": [
           {
@@ -197,7 +78,7 @@
       }
     },
     {
-      "回归Regression": {
+      "Scikit-learn回归Regression": {
         "keywords": [],
         "children": [
           {
@@ -270,7 +151,7 @@
       }
     },
     {
-      "聚类Clustering": {
+      "Scikit-learn聚类Clustering": {
         "keywords": [],
         "children": [
           {
@@ -362,7 +243,7 @@
       }
     },
     {
-      "成分分解与降维": {
+      "Scikit-learn成分分解与降维": {
         "keywords": [],
         "children": [
           {
@@ -408,7 +289,7 @@
       }
     },
     {
-      "模型评估与参数调优": {
+      "Scikit-learn模型评估与参数调优": {
         "keywords": [],
         "children": [
           {
diff --git "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/2.\346\267\261\345\272\246\345\255\246\344\271\240/config.json" "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/2.\346\267\261\345\272\246\345\255\246\344\271\240/config.json"
index 73559ae3efcde80d770b2d570f9461734108ee1b..7c8e457ce90cd18a21a48951916a7bda9d99a3dc 100644
--- "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/2.\346\267\261\345\272\246\345\255\246\344\271\240/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/2.\346\267\261\345\272\246\345\255\246\344\271\240/config.json"
@@ -86,125 +86,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "环境配置": {
-        "keywords": [],
-        "children": [
-          {
-            "Windows搭建深度学习环境": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1025",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Linux搭建深度学习环境": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1026",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "MacOS搭建深度学习环境": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1027",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "CPU/GPU环境搭建": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1028",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1318",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "Theano": {
-        "keywords": [],
-        "children": [
-          {
-            "Theano基础知识": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1029",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "定义Layer": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1030",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "CNN": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1031",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "RNN(GRU/LSTM)": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1032",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Autoencoder": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1033",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "神经网络参数保存": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1034",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "神经网络性能评价": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1035",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1319",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "TensorFlow": {
         "keywords": [],
diff --git "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/3.\350\256\241\347\256\227\346\234\272\350\247\206\350\247\211/config.json" "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/3.\350\256\241\347\256\227\346\234\272\350\247\206\350\247\211/config.json"
index eae9a436072acd49d1698fddcc7ce36a8a7b8374..ca129f30bd815934cf1c9552c479daf482f59e15 100644
--- "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/3.\350\256\241\347\256\227\346\234\272\350\247\206\350\247\211/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/3.\350\256\241\347\256\227\346\234\272\350\247\206\350\247\211/config.json"
@@ -4,52 +4,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "数字图像处理基础": {
-        "keywords": [],
-        "children": [
-          {
-            "数字图像处理": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1081",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像三要素": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1082",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "像素及图像类型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1083",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像信号数字转换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1084",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1324",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "OpenCV基础": {
         "keywords": [],
@@ -88,1711 +42,83 @@
       }
     },
     {
-      "图像处理入门": {
-        "keywords": [],
-        "children": [
-          {
-            "读取显示图像": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1088",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "读取修改像素": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1089",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "创建复制保存图像": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1090",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "获取图像属性及通道": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1091",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1326",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像算数与逻辑运算": {
-        "keywords": [],
-        "children": [
-          {
-            "图像加法运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1092",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像减法运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1093",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像与运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1094",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像或运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1095",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像异或运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1096",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像非运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1097",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1327",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像几何变换": {
-        "keywords": [],
-        "children": [
-          {
-            "平移变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1098",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "缩放变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1099",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "旋转变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1100",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "镜像变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1101",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "仿射变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1102",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "透视变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1103",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1328",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像量化与采样": {
+      "人脸识别": {
         "keywords": [],
-        "children": [
-          {
-            "图像量化处理": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1104",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像采样处理": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1105",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像金字塔": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1106",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "局部马赛克处理": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1107",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1329",
+        "children": [],
+        "node_id": "python-4-1340",
         "keywords_must": [],
         "keywords_forbid": []
       }
     },
     {
-      "直方图统计": {
+      "目标检测": {
         "keywords": [],
         "children": [
           {
-            "直方图概述": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1108",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "直方图绘制": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1109",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "掩膜直方图": {
+            "目标检测概述": {
               "keywords": [],
               "children": [],
-              "node_id": "python-5-1110",
+              "node_id": "python-5-1169",
               "keywords_must": [],
               "keywords_forbid": []
             }
           },
           {
-            "H-S直方图": {
+            "RCNN": {
               "keywords": [],
               "children": [],
-              "node_id": "python-5-1111",
+              "node_id": "python-5-1170",
               "keywords_must": [],
               "keywords_forbid": []
             }
           },
           {
-            "直方图对比": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1112",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1330",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像增强": {
-        "keywords": [],
-        "children": [
-          {
-            "图像增强": {
+            "Fast-RCNN": {
               "keywords": [],
               "children": [],
-              "node_id": "python-5-1113",
+              "node_id": "python-5-1171",
               "keywords_must": [],
               "keywords_forbid": []
             }
           },
           {
-            "直方图均衡化": {
+            "SPPNet": {
               "keywords": [],
               "children": [],
-              "node_id": "python-5-1114",
+              "node_id": "python-5-1172",
               "keywords_must": [],
               "keywords_forbid": []
             }
           },
           {
-            "局部直方图均衡化": {
+            "Mask-RCNN": {
               "keywords": [],
               "children": [],
-              "node_id": "python-5-1115",
+              "node_id": "python-5-1173",
               "keywords_must": [],
               "keywords_forbid": []
             }
           },
           {
-            "自动色彩均衡化": {
+            "SSD": {
               "keywords": [],
               "children": [],
-              "node_id": "python-5-1116",
+              "node_id": "python-5-1174",
               "keywords_must": [],
               "keywords_forbid": []
             }
           },
           {
-            "图像去雾": {
+            "YOLO系列算法": {
               "keywords": [],
               "children": [],
-              "node_id": "python-5-1117",
+              "node_id": "python-5-1175",
               "keywords_must": [],
               "keywords_forbid": []
             }
           }
         ],
-        "node_id": "python-4-1331",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像平滑": {
-        "keywords": [],
-        "children": [
-          {
-            "图像平滑概述": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1118",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "均值滤波": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1119",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "方框滤波": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1120",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "高斯滤波": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1121",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "中值滤波": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1122",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "双边滤波": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1123",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1332",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像锐化及边缘检测": {
-        "keywords": [],
-        "children": [
-          {
-            "一阶微分算法、二阶微分算子": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1124",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Roberts算子": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1125",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Prewitt算子": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1126",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Sobel算子": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1127",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Laplacian算子": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1128",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Scharr算子": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1129",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Canny算子": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1130",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "LOG算子": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1131",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1333",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像形态学处理": {
-        "keywords": [],
-        "children": [
-          {
-            "图像腐蚀": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1132",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像膨胀": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1133",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像开运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1134",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像闭运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1135",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像梯度运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1136",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像顶帽运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1137",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像底帽运算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1138",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1334",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像分割": {
-        "keywords": [],
-        "children": [
-          {
-            "基于阈值的图像分割": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1139",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于边缘检测的图像分割": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1140",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于纹理背景的图像分割": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1141",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于K-Means聚类的区域分割": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1142",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于均值漂移算法的图像分割": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1143",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于分水岭算法的图像分割": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1144",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像漫水填充分割": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1145",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "文字区域分割及定位": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1146",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1335",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "傅里叶变换": {
-        "keywords": [],
-        "children": [
-          {
-            "傅里叶变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1147",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "傅里叶逆变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1148",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "高通滤波器": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1149",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "低通滤波器": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1150",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1336",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "霍夫变换": {
-        "keywords": [],
-        "children": [
-          {
-            "霍夫变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1151",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "霍夫线变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1152",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "霍夫圆变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1153",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1337",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像特效处理": {
-        "keywords": [],
-        "children": [
-          {
-            "图像毛玻璃特效": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1154",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像浮雕特效": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1155",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像素描特效": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1156",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像怀旧特效": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1157",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像流年特效": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1158",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像滤镜特效": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1159",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像水波特效": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1160",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "图像卡通特效": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1161",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1338",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像分类": {
-        "keywords": [],
-        "children": [
-          {
-            "图像分类概述": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1162",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于机器学习的图像分类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1163",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于深度学习的图像分类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1164",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "LeNet": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1165",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "VGG": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1166",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "AlexNet": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1167",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "ResNet": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1168",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1339",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "人脸识别": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1340",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "目标检测": {
-        "keywords": [],
-        "children": [
-          {
-            "目标检测概述": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1169",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "RCNN": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1170",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Fast-RCNN": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1171",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "SPPNet": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1172",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Mask-RCNN": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1173",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "SSD": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1174",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "YOLO系列算法": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1175",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1341",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "深度神经网络概述": {
-        "keywords": [],
-        "children": [
-          {
-            "创建神经网络块": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1176",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "TensorFlow介绍": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1177",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "MNIST数据集介绍": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1178",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Keras深度学习库概述": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1179",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于Keras和MNIST的手写数字识别": {
-              "keywords": [],
-              "children": [
-                {
-                  "训练和测试数据的检索": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-178",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "训练数据的可视化": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-179",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "创建神经网络": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-180",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "训练神经网络": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-181",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "测试": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-182",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1180",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "理解反向传播": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1181",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1342",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "卷积神经网络介绍": {
-        "keywords": [],
-        "children": [
-          {
-            "CNN历史": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1182",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "卷积神经网络": {
-              "keywords": [],
-              "children": [
-                {
-                  "计算机如何解释图像": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-183",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "编码实现图像可视化": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-184",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "dropout": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-185",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "输入层": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-186",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "卷积层": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-187",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "池化层": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-188",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1183",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1343",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "构建CNN并进行性能优化": {
-        "keywords": [],
-        "children": [
-          {
-            "CNN架构和DNN的缺点": {
-              "keywords": [],
-              "children": [
-                {
-                  "卷积操作": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-189",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "池化、步长和填充操作": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-190",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1184",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "TensorFlow中的卷积和池化操作": {
-              "keywords": [],
-              "children": [
-                {
-                  "在TensorFlow中应用池化操作": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-191",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "TensorFlow中的卷积操作": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-192",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1185",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "训练CNN": {
-              "keywords": [],
-              "children": [
-                {
-                  "初始化权重和偏置": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-193",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "正则化": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-194",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "激活函数": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-195",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1186",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "模型性能优化": {
-              "keywords": [],
-              "children": [
-                {
-                  "隐含层数量": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-196",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "每个隐含层的神经元个数": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-197",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "批标准化": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-198",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "高级正则化及过拟合的避免": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-199",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "运用哪个优化器": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-200",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "内存调优": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-201",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "层的位置调优": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-202",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "综合所有操作创建第二个CNN": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-203",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "数据集描述和预处理": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-204",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "创建CNN模型": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-205",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1187",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1344",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "经典的CNN模型架构": {
-        "keywords": [],
-        "children": [
-          {
-            "ImageNet介绍": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1188",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "AlexNet架构": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1189",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "VGGNet架构": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1190",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "GoogLeNet架构": {
-              "keywords": [],
-              "children": [
-                {
-                  "架构洞察": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-206",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "inception模块": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-207",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1191",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "ResNet架构": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1192",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1345",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "转移学习": {
-        "keywords": [],
-        "children": [
-          {
-            "特征提取方法": {
-              "keywords": [],
-              "children": [
-                {
-                  "目标数据集较小且与原始训练集相似": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-208",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "目标数据集较小且与原始训练集不同": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-209",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "目标数据集很大且与原始训练集相似": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-210",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "目标数据集很大且与原始训练集不同": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-211",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1193",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "转移学习示例": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1194",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "多任务学习": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1195",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1346",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "CNN自编码器": {
-        "keywords": [],
-        "children": [
-          {
-            "自编码器介绍": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1196",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "卷积自编码器": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1197",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "应用": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1198",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1347",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "GAN：使用CNN生成新图像": {
-        "keywords": [],
-        "children": [
-          {
-            "Pix2pix：基于GAN的图像翻译": {
-              "keywords": [],
-              "children": [
-                {
-                  "CycleGAN": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-212",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "训练GAN模型": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-213",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1199",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "GAN的代码示例": {
-              "keywords": [],
-              "children": [
-                {
-                  "计算损失": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-214",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "半监督学习和GAN": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-215",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1200",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "特征匹配": {
-              "keywords": [],
-              "children": [
-                {
-                  "基于半监督分类的GAN示例": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-216",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "深度卷积GAN": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-217",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1201",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1348",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "CNN和视觉模型的注意力机制": {
-        "keywords": [],
-        "children": [
-          {
-            "图像描述中的注意力机制": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1202",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "注意力类型": {
-              "keywords": [],
-              "children": [
-                {
-                  "硬注意力": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-218",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "软注意力": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-219",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1203",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "运用注意力改善视觉模型": {
-              "keywords": [],
-              "children": [
-                {
-                  "视觉CNN模型次优性能的原因": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-220",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "循环视觉注意力模型": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-221",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1204",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "参考文献": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1205",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1349",
+        "node_id": "python-4-1341",
         "keywords_must": [],
         "keywords_forbid": []
       }
diff --git "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/4.\350\207\252\347\204\266\350\257\255\350\250\200\345\244\204\347\220\206/config.json" "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/4.\350\207\252\347\204\266\350\257\255\350\250\200\345\244\204\347\220\206/config.json"
index 37400a353ef18d0c14f71a5b8f03f0fef2650ede..b510852a58d0233a1e257385de419870f4058a82 100644
--- "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/4.\350\207\252\347\204\266\350\257\255\350\250\200\345\244\204\347\220\206/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/4.\350\207\252\347\204\266\350\257\255\350\250\200\345\244\204\347\220\206/config.json"
@@ -5,179 +5,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "自然语言处理概览": {
-        "keywords": [],
-        "children": [
-          {
-            "自然语言处理的基本概念": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1206",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "自然语言处理的面临困难": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1207",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "自然语言处理的研究现状": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1208",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1350",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "预备知识": {
-        "keywords": [],
-        "children": [
-          {
-            "概率论基础知识": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1209",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "最大似然估计": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1210",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "隐马尔可夫模型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1211",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "贝叶斯网络": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1212",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "条件概率分布": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1213",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "信息论基础知识": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1214",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "熵": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1215",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "困惑度": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1216",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "互信息": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1217",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "神经网络基础知识": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1218",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "CRF": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1219",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "BiLSTM+Attention": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1220",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "迁移学习": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1221",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "常用语料库和知识库": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1222",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1351",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "jieba": {
         "keywords": [],
@@ -370,153 +197,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "词法分析": {
-        "keywords": [],
-        "children": [
-          {
-            "分词(英文分词/中文分词)": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1241",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "词干提取": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1242",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "词形还原": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1243",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "词性标注": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1244",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "命名实体识别": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1245",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1355",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "句法分析": {
-        "keywords": [],
-        "children": [
-          {
-            "短语结构分析": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1246",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "依存句法分析": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1247",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1356",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "语义分析": {
-        "keywords": [],
-        "children": [
-          {
-            "命名实体消歧": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1248",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "指代消解": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1249",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "语义角色标注": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1250",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "语义关系抽取": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1251",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "语义依存分析": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1252",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "抽象语义表示": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1253",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1357",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "词嵌入": {
         "keywords": [],
@@ -581,410 +261,6 @@
         "keywords_forbid": []
       }
     },
-    {
-      "文本挖掘": {
-        "keywords": [],
-        "children": [
-          {
-            "文本相似度计算": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1260",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "文本聚类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1261",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "文本分类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1262",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "文本摘要": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1263",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1359",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "情感分析": {
-        "keywords": [],
-        "children": [
-          {
-            "基于情感词典的情感分析": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1264",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于深度学习的情感分析": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1265",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1360",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "主题模型": {
-        "keywords": [],
-        "children": [
-          {
-            "LSA": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1266",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "LDA": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1267",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1361",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "机器翻译": {
-        "keywords": [],
-        "children": [
-          {
-            "IBM统计翻译模型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1268",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "短语抽取": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1269",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "语言模型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1270",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "GNMT": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1271",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Seq2Seq": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1272",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Transformer": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1273",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1362",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "语言模型": {
-        "keywords": [],
-        "children": [
-          {
-            "n-gram": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1274",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Pitman-Yor过程模型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1275",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "AWD-LSTM": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1276",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Transformer-XL": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1277",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "Gated CNN": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1278",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1363",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "智能问答": {
-        "keywords": [],
-        "children": [
-          {
-            "基于知识的问答": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1279",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "基于检索的问答": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1280",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "阅读理解": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1281",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "完形填空": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1282",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1364",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "智能对话": {
-        "keywords": [],
-        "children": [
-          {
-            "对话行为分类": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1283",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "对话状态跟踪": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1284",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "检索式聊天机器人": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1285",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "生成式聊天机器人": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1286",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "意图识别": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1287",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "槽填充(Slot Filling)": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1288",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1365",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "语音识别": {
-        "keywords": [],
-        "children": [
-          {
-            "傅里叶变换": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1289",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "声学模型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1290",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "隐马尔可夫模型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1291",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "CNN": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1292",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "LSTM-HMM": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1293",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "神经网络语言模型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1294",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "MFCC": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1295",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1366",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "知识图谱": {
         "keywords": [],
diff --git "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/5.\345\237\272\344\272\216Python\347\232\204\347\233\221\347\235\243\345\255\246\344\271\240/config.json" "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/5.\345\237\272\344\272\216Python\347\232\204\347\233\221\347\235\243\345\255\246\344\271\240/config.json"
index 4477d458a2a14f40c98c663eb4490a87856341cb..e5c15843a135a9a6de7a6dd0b3b5be63841cd758 100644
--- "a/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/5.\345\237\272\344\272\216Python\347\232\204\347\233\221\347\235\243\345\255\246\344\271\240/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/6.\344\272\272\345\267\245\346\231\272\350\203\275/5.\345\237\272\344\272\216Python\347\232\204\347\233\221\347\235\243\345\255\246\344\271\240/config.json"
@@ -5,34 +5,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "使用Python实现降维": {
-        "keywords": [],
-        "children": [
-          {
-            "相关性分析": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1316",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1385",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "使用Python进行分类": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1386",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "决策树": {
         "keywords": [],
@@ -89,68 +61,13 @@
       }
     },
     {
-      "情绪分析": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1391",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "图像识别": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1392",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "使用Python进行回归": {
-        "keywords": [],
-        "children": [
-          {
-            "最小二乘估计": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1319",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1393",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "分类和回归": {
+      "使用Python分类和回归": {
         "keywords": [],
         "children": [],
         "node_id": "python-4-1394",
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "使模型高估或低估": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1395",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "处理分类型数据": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-1396",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-251",
diff --git "a/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/1.\345\207\275\346\225\260/config.json" "b/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/1.\345\207\275\346\225\260/config.json"
index 2bce7fe498e30ce08673548363759edc1bdce1e4..9971a50a6e4f4f128fbfca2bcc0fe6453a043306 100644
--- "a/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/1.\345\207\275\346\225\260/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/1.\345\207\275\346\225\260/config.json"
@@ -173,71 +173,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "自省": {
-        "keywords": [],
-        "children": [
-          {
-            "标识对象类型": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1425",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "模块和软件包": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1426",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "文档字符串": {
-              "keywords": [],
-              "children": [
-                {
-                  "描述函数的作用": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-222",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "返回值": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-223",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "包含预期的异常": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-224",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1427",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1434",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-257",
diff --git "a/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/2.\347\261\273/config.json" "b/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/2.\347\261\273/config.json"
index 1b1e0d5b0fcac8ca8c1be1e9410a58e15a45b646..b4208d4faaf033be7d5694970f6154c1189288f9 100644
--- "a/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/2.\347\261\273/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/2.\347\261\273/config.json"
@@ -142,155 +142,6 @@
         "keywords_must": [],
         "keywords_forbid": []
       }
-    },
-    {
-      "魔术方法": {
-        "keywords": [],
-        "children": [
-          {
-            "处理成员变量": {
-              "keywords": [],
-              "children": [],
-              "node_id": "python-5-1439",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          },
-          {
-            "字符串表示": {
-              "keywords": [],
-              "children": [
-                {
-                  "字节字符串": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "借助chr和ord进行简单的转换": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-34",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "借助struct模块进行复杂的转换": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-35",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-225",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "文本": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "Unicode": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-36",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "编码": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-37",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-226",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "简单的替换": {
-                    "keywords": [],
-                    "children": [],
-                    "node_id": "python-6-227",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                },
-                {
-                  "格式化": {
-                    "keywords": [],
-                    "children": [
-                      {
-                        "在对象中查找值": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-38",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "区分字符串类型": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-39",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "标准格式规范": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-40",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "为文本文档制作目录": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-41",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      },
-                      {
-                        "自定义格式规范": {
-                          "keywords": [],
-                          "children": [],
-                          "node_id": "python-7-42",
-                          "keywords_must": [],
-                          "keywords_forbid": []
-                        }
-                      }
-                    ],
-                    "node_id": "python-6-228",
-                    "keywords_must": [],
-                    "keywords_forbid": []
-                  }
-                }
-              ],
-              "node_id": "python-5-1440",
-              "keywords_must": [],
-              "keywords_forbid": []
-            }
-          }
-        ],
-        "node_id": "python-4-1439",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
     }
   ],
   "node_id": "python-3-258",
diff --git "a/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/3.\347\272\277\347\250\213\350\277\233\347\250\213\345\222\214\345\215\217\347\250\213/config.json" "b/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/3.\347\272\277\347\250\213\350\277\233\347\250\213\345\222\214\345\215\217\347\250\213/config.json"
index e6a5182e0db112fee55b21b4d20bc7d5fb7641e1..3435911f9ede22726e7c625b192728009e763be6 100644
--- "a/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/3.\347\272\277\347\250\213\350\277\233\347\250\213\345\222\214\345\215\217\347\250\213/config.json"
+++ "b/data/3.python\351\253\230\351\230\266/7.\351\253\230\347\272\247\346\225\231\347\250\213/3.\347\272\277\347\250\213\350\277\233\347\250\213\345\222\214\345\215\217\347\250\213/config.json"
@@ -12,24 +12,6 @@
   ],
   "keywords": [],
   "children": [
-    {
-      "基础概念": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-763",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
-    {
-      "加锁和解锁": {
-        "keywords": [],
-        "children": [],
-        "node_id": "python-4-764",
-        "keywords_must": [],
-        "keywords_forbid": []
-      }
-    },
     {
       "threading": {
         "keywords": [],
diff --git a/data/tree.json b/data/tree.json
index e91fab61b1b05521133129aa8a60c2906ab26c98..6d76c3f3d9d1afc337c2e0a4213e85c1bcf5edd3 100644
--- a/data/tree.json
+++ b/data/tree.json
@@ -51,8 +51,7 @@
                       "keywords_must": [
                         "python"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -65,8 +64,7 @@
                       "keywords_must": [
                         "python"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -137,8 +135,7 @@
                           "debian"
                         ]
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -168,8 +165,7 @@
                       "keywords_must": [
                         "python"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -199,8 +195,7 @@
                       "keywords_must": [
                         "python"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -212,8 +207,7 @@
                         "python",
                         "PEP8"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -232,14 +226,12 @@
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 1
+                "keywords_forbid": []
               }
             },
             {
@@ -263,8 +255,7 @@
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -272,43 +263,6 @@
                       "node_id": "python-3-8",
                       "keywords": [],
                       "children": [
-                        {
-                          "总体概念": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "迭代": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1358",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "缓存": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1359",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "透明度": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1360",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1423",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "流程控制": {
                             "keywords": [],
@@ -382,79 +336,6 @@
                             "keywords_forbid": []
                           }
                         },
-                        {
-                          "迭代": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "序列解包": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1368",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "列表解析式": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1369",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "生成器表达式": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1370",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "集合解析式": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1371",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "字典解析式": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1372",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "将迭代器链接在一起": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1373",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "将迭代器压缩在一起": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1374",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1425",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "容器数据类型": {
                             "keywords": [],
@@ -500,10989 +381,5388 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "函数": {
+                      "node_id": "python-3-9",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "函数定义def": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-38",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "函数的参数": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-46",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "函数返回值": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-40",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "函数调用": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-42",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
                         },
                         {
-                          "导入代码": {
+                          "局部和全局作用域": {
                             "keywords": [],
                             "children": [
                               {
-                                "回退(备用)导入": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1379",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "从即将发布的版本中导入": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1380",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用__all__进行自定义导入": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1381",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "相对导入": {
+                                "局部变量不能在全局作用域内使用": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1382",
+                                  "node_id": "python-5-25",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "__import__函数": {
+                                "局部作用域不能使用其他局部作用域内的变量": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1383",
+                                  "node_id": "python-5-26",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "importlib模块": {
+                                "全局变量可以在局部作用域中读取": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1384",
+                                  "node_id": "python-5-27",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1427",
+                            "node_id": "python-4-50",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "类": {
+                      "node_id": "python-3-10",
+                      "keywords": [
+                        "Python类",
+                        "Python类继承",
+                        "Python抽象类"
+                      ],
+                      "children": [
+                        {
+                          "Python类定义class": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-76",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "令人兴奋的Python扩展：NIST的随机数信标": {
+                          "Python对象": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "如何安装NIST信标库": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1385",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "示例：获取值": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1386",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "示例：模拟抛硬币并记录每次正反面的结果": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1387",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "安装Pandas和matplotlib": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1388",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "创建文本文件": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1389",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用Pandas显示数据": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1390",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "进行一些数据分析": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1391",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用matplotlib进行绘图": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1392",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图表的类型": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1393",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "安装Scrapy": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1394",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "运行Scrapy": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1395",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用Scrapy获取Web数据": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1396",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "通过Scrapy浏览网页": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1397",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "shell选项": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1398",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "安装Beautiful Soup": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1399",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用Beautiful Soup": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1400",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "如何安装feedparser库": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1401",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "如何使用feedparser库": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1402",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "安装NumPy": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1403",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用NumPy": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1404",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用NumPy数组": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1405",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "统计度量": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1406",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "如何安装Pillow库": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1407",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像显示：确定文件的大小和类型并显示": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1408",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像处理：裁剪图像的一部分": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1409",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "随机数": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1410",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "密码生成器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1411",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1428",
+                            "children": [],
+                            "node_id": "python-4-78",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "函数": {
-                      "node_id": "python-3-9",
-                      "keywords": [],
-                      "children": [
+                        },
                         {
-                          "函数定义def": {
+                          "Python类属性和方法": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-38",
+                            "node_id": "python-4-79",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "参数var": {
+                          "Python类继承": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-39",
+                            "node_id": "python-4-77",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "返回值return": {
+                          "Python抽象基类": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-40",
+                            "node_id": "python-4-93",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "顺序语句结构": {
+                      "node_id": "python-3-11",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [
+                        "顺序语句",
+                        "顺序结构",
+                        "顺序语句结构",
+                        "顺序控制语句"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "条件和分支": {
+                      "node_id": "python-3-12",
+                      "keywords": [],
+                      "children": [
                         {
-                          "参数传递": {
+                          "if-else语句": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-41",
+                            "node_id": "python-4-96",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "函数调用": {
+                          "if-elif-else结构": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-42",
+                            "node_id": "python-4-97",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "循环": {
+                      "node_id": "python-3-13",
+                      "keywords": [],
+                      "children": [
                         {
-                          "函数递归": {
+                          "for": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-43",
+                            "node_id": "python-4-109",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "函数编写风格": {
+                          "while": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-44",
+                            "node_id": "python-4-110",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "调用函数": {
+                          "break": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-45",
+                            "node_id": "python-4-111",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "函数的参数": {
+                          "continue": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-46",
+                            "node_id": "python-4-112",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "递归函数": {
+                          "循环中的else子句": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-117",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "数据类型": {
+                      "node_id": "python-3-14",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "整型": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-47",
+                            "node_id": "python-4-118",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "None值": {
+                          "浮点型": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-48",
+                            "node_id": "python-4-119",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "调用栈": {
+                          "布尔型": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-49",
+                            "node_id": "python-4-120",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "局部和全局作用域": {
+                          "字符串": {
                             "keywords": [],
                             "children": [
                               {
-                                "局部变量不能在全局作用域内使用": {
+                                "单引号字符串以及对引号转义": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-25",
+                                  "node_id": "python-5-72",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "局部作用域不能使用其他局部作用域内的变量": {
+                                "拼接字符串": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-26",
+                                  "node_id": "python-5-73",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "全局变量可以在局部作用域中读取": {
+                                "字符串表示str和repr": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-27",
+                                  "node_id": "python-5-74",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-50",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "异常处理": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-51",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "把函数视作对象": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-52",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "可调用对象": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-53",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "用户定义的可调用类型": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-54",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "函数内省": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-55",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "从定位参数到仅限关键字参数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-56",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "获取关于参数的信息": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-57",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "支持函数式编程的包": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-58",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "传递实参": {
-                            "keywords": [],
-                            "children": [
+                              },
+                              {
+                                "长字符串、原始字符串和字节": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-75",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
                               {
-                                "位置实参": {
+                                "字符串基本操作": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-28",
+                                  "node_id": "python-5-76",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "设置字符串的格式：精简版": {
+                                  "keywords": [],
+                                  "children": [
+                                    {
+                                      "替换字段名": {
+                                        "keywords": [],
+                                        "children": [],
+                                        "node_id": "python-6-18",
+                                        "keywords_must": [],
+                                        "keywords_forbid": []
+                                      }
+                                    }
+                                  ],
+                                  "node_id": "python-5-77",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "关键字实参": {
+                                "使用方法修改字符串的大小写": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-29",
+                                  "node_id": "python-5-78",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "默认值": {
+                                "使用制表符或换行符来添加空白": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-30",
+                                  "node_id": "python-5-79",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "等效的函数调用": {
+                                "删除空白": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-31",
+                                  "node_id": "python-5-80",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "避免实参错误": {
+                                "使用字符串时避免语法错误": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-32",
+                                  "node_id": "python-5-81",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "字符串编码转换": {
+                                  "keywords": [],
+                                  "children": [
+                                    {
+                                      "使用encode方法编码": {
+                                        "keywords": [],
+                                        "children": [],
+                                        "node_id": "python-6-19",
+                                        "keywords_must": [],
+                                        "keywords_forbid": []
+                                      }
+                                    },
+                                    {
+                                      "使用decode方法解码": {
+                                        "keywords": [],
+                                        "children": [],
+                                        "node_id": "python-6-20",
+                                        "keywords_must": [],
+                                        "keywords_forbid": []
+                                      }
+                                    }
+                                  ],
+                                  "node_id": "python-5-82",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-59",
+                            "node_id": "python-4-121",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "内置类": {
+                      "node_id": "python-3-15",
+                      "keywords": [],
+                      "children": [
                         {
-                          "返回值": {
+                          "列表：list": {
                             "keywords": [],
                             "children": [
                               {
-                                "返回简单值": {
+                                "函数list": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-83",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "基本的列表操作": {
+                                  "keywords": [],
+                                  "children": [
+                                    {
+                                      "遍历整个列表": {
+                                        "keywords": [],
+                                        "children": [],
+                                        "node_id": "python-6-21",
+                                        "keywords_must": [],
+                                        "keywords_forbid": []
+                                      }
+                                    },
+                                    {
+                                      "创建数值列表": {
+                                        "keywords": [],
+                                        "children": [
+                                          {
+                                            "使用range创建数字列表": {
+                                              "keywords": [],
+                                              "children": [],
+                                              "node_id": "python-7-8",
+                                              "keywords_must": [],
+                                              "keywords_forbid": []
+                                            }
+                                          },
+                                          {
+                                            "对数字列表执行简单的统计计算": {
+                                              "keywords": [],
+                                              "children": [],
+                                              "node_id": "python-7-9",
+                                              "keywords_must": [],
+                                              "keywords_forbid": []
+                                            }
+                                          },
+                                          {
+                                            "列表解析": {
+                                              "keywords": [],
+                                              "children": [],
+                                              "node_id": "python-7-10",
+                                              "keywords_must": [],
+                                              "keywords_forbid": []
+                                            }
+                                          }
+                                        ],
+                                        "node_id": "python-6-23",
+                                        "keywords_must": [],
+                                        "keywords_forbid": []
+                                      }
+                                    }
+                                  ],
+                                  "node_id": "python-5-84",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "列表方法": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-33",
+                                  "node_id": "python-5-85",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "让实参变成可选的": {
+                                "列表数据类型": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-34",
+                                  "node_id": "python-5-86",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "返回字典": {
+                                "序列数据类型": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-35",
+                                  "node_id": "python-5-88",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-60",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "传递列表": {
-                            "keywords": [],
-                            "children": [
+                              },
+                              {
+                                "访问列表元素": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-90",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
                               {
-                                "在函数中修改列表": {
+                                "索引从0而不是1开始": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-36",
+                                  "node_id": "python-5-91",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "禁止函数修改列表": {
+                                "使用列表中的各个值": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-37",
+                                  "node_id": "python-5-92",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-61",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "传递任意数量的实参": {
-                            "keywords": [],
-                            "children": [
+                              },
                               {
-                                "使用任意数量的关键字实参": {
+                                "遍历切片": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-38",
+                                  "node_id": "python-5-93",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "导入特定的函数": {
+                                "复制列表": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-39",
+                                  "node_id": "python-5-94",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "使用as给函数指定别名": {
+                                "列表的创建和删除": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-40",
+                                  "node_id": "python-5-95",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "使用as给模块指定别名": {
+                                "对列表进行统计计算": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-41",
+                                  "node_id": "python-5-96",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "导入模块中的所有函数": {
+                                "对列表进行排序": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-42",
+                                  "node_id": "python-5-97",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-62",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "函数编写指南": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-63",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "编写可接受任意数量参数的函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-64",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "编写只接受关键字参数的函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-65",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "将元数据信息附加到函数参数上": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-66",
+                            "node_id": "python-4-137",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "从函数中返回多个值": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-67",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "定义带有默认参数的函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-68",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "定义匿名或内联函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-69",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "在匿名函数中绑定变量的值": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-70",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "让带有N个参数的可调用对象以较少的参数形式调用": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-71",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "用函数替代只有单个方法的类": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-72",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "在回调函数中携带额外的状态": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-73",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "内联回调函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-74",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "访问定义在闭包内的变量": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-75",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "类": {
-                      "node_id": "python-3-10",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "类定义class": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-76",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "作用域和命名空间": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-77",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "对象": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-78",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "属性和方法": {
+                          "字典：dict": {
                             "keywords": [],
                             "children": [
                               {
-                                "模拟数值类型": {
+                                "访问字典中的值": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-43",
+                                  "node_id": "python-5-98",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "字符串表示形式": {
+                                "添加键值对": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-44",
+                                  "node_id": "python-5-99",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "自定义的布尔值": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-45",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-79",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "类编码风格": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-80",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "初探类": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "类定义语法": {
+                                "先创建一个空字典": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-46",
+                                  "node_id": "python-5-100",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "类对象": {
+                                "修改字典中的值": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-47",
+                                  "node_id": "python-5-101",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "方法对象": {
+                                "删除键值对": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-48",
+                                  "node_id": "python-5-102",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-81",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "补充说明": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-82",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "私有变量": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-83",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "生成器表达式": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-84",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "类到底是什么": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-85",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "创建自定义类": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-86",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "再谈隐藏": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-87",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "类的命名空间": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-88",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "指定超类": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-89",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "深入探讨继承": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-90",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "多个超类": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-91",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "接口和内省": {
-                            "keywords": [],
-                            "children": [
+                              },
                               {
-                                "Python文化中的接口和协议": {
+                                "由类似对象组成的字典": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-49",
+                                  "node_id": "python-5-103",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "Python喜欢序列": {
+                                "使用get来访问值": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-50",
+                                  "node_id": "python-5-104",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "使用猴子补丁在运行时实现协议": {
+                                "遍历字典": {
                                   "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-51",
+                                  "children": [
+                                    {
+                                      "遍历所有键值对": {
+                                        "keywords": [],
+                                        "children": [],
+                                        "node_id": "python-6-25",
+                                        "keywords_must": [],
+                                        "keywords_forbid": []
+                                      }
+                                    },
+                                    {
+                                      "遍历字典中的所有键": {
+                                        "keywords": [],
+                                        "children": [],
+                                        "node_id": "python-6-26",
+                                        "keywords_must": [],
+                                        "keywords_forbid": []
+                                      }
+                                    },
+                                    {
+                                      "按特定顺序遍历字典中的所有键": {
+                                        "keywords": [],
+                                        "children": [],
+                                        "node_id": "python-6-27",
+                                        "keywords_must": [],
+                                        "keywords_forbid": []
+                                      }
+                                    },
+                                    {
+                                      "遍历字典中的所有值": {
+                                        "keywords": [],
+                                        "children": [],
+                                        "node_id": "python-6-28",
+                                        "keywords_must": [],
+                                        "keywords_forbid": []
+                                      }
+                                    }
+                                  ],
+                                  "node_id": "python-5-105",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "Alex Martelli的水禽": {
+                                "访问字典": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-52",
+                                  "node_id": "python-5-106",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "定义抽象基类的子类": {
+                                "字典推导式": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-53",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "标准库中的抽象基类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-54",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "定义并使用一个抽象基类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-55",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Tombola子类的测试方法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-56",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Python使用register的方式": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-57",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "鹅的行为有可能像鸭子": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-58",
+                                  "node_id": "python-5-107",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-92",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "抽象基类": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-93",
+                            "node_id": "python-4-138",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "导入类": {
+                          "元组：tuple": {
                             "keywords": [],
                             "children": [
                               {
-                                "导入单个类": {
+                                "定义元组": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-108",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "遍历元组中的所有值": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-59",
+                                  "node_id": "python-5-109",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "在一个模块中存储多个类": {
+                                "修改元组变量": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-60",
+                                  "node_id": "python-5-110",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "从一个模块中导入多个类": {
+                                "访问元组元素": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-61",
+                                  "node_id": "python-5-111",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "导入模块中的所有类": {
+                                "修改元组": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-62",
+                                  "node_id": "python-5-112",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "自定义工作流程": {
+                                "元组推导式": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-63",
+                                  "node_id": "python-5-113",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-94",
+                            "node_id": "python-4-139",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Python标准库": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-95",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "顺序语句结构": {
-                      "node_id": "python-3-11",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "顺序语句",
-                        "顺序结构",
-                        "顺序语句结构",
-                        "顺序控制语句"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "条件和分支": {
-                      "node_id": "python-3-12",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "if": {
+                          "集合：set": {
                             "keywords": [],
                             "children": [
                               {
-                                "if-else语句": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-64",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "if-elif-else结构": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-65",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "省略else代码块": {
+                                "创建集合": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-66",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用if语句处理列表": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "检查特殊元素": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-16",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "确定列表不是空的": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-17",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-67",
+                                  "node_id": "python-5-114",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "设置if语句的格式": {
+                                "集合的交集、并集和差集运算": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-68",
+                                  "node_id": "python-5-115",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-96",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "elif": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-97",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "else": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-98",
+                            "node_id": "python-4-140",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "循环": {
-                      "node_id": "python-3-13",
+                    "常用内置函数": {
+                      "node_id": "python-3-16",
                       "keywords": [],
                       "children": [
                         {
-                          "for": {
+                          "Python内置数学函数": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-109",
+                            "node_id": "python-4-154",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "while": {
+                          "dir": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-110",
+                            "node_id": "python-4-151",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "break": {
+                          "sorted": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-111",
+                            "node_id": "python-4-149",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "continue": {
+                          "input": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-112",
+                            "node_id": "python-4-144",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "循环中的else子句": {
+                          "range": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-117",
+                            "node_id": "python-4-146",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
+                    }
+                  }
+                ],
+                "keywords_must": [],
+                "keywords_forbid": []
+              }
+            },
+            {
+              "进阶语法": {
+                "node_id": "python-2-2",
+                "keywords": [],
+                "children": [
+                  {
+                    "列表推导式": {
+                      "node_id": "python-3-17",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "数据类型": {
-                      "node_id": "python-3-14",
+                    "三元表达式": {
+                      "node_id": "python-3-18",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [
+                        "三元表达式"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "断言": {
+                      "node_id": "python-3-19",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "with-as": {
+                      "node_id": "python-3-20",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "异常捕获预处理": {
+                      "node_id": "python-3-21",
                       "keywords": [],
                       "children": [
                         {
-                          "整型": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-118",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "浮点型": {
+                          "try-catch-finally": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-119",
+                            "node_id": "python-4-171",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "布尔型": {
+                          "异常捕获": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-120",
+                            "node_id": "python-4-172",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "字符串方法": {
+                      "node_id": "python-3-22",
+                      "keywords": [],
+                      "children": [
                         {
-                          "字符串": {
+                          "大小写转换": {
                             "keywords": [],
                             "children": [
                               {
-                                "单引号字符串以及对引号转义": {
+                                "lower": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-72",
                                   "keywords_must": [],
-                                  "keywords_forbid": []
+                                  "keywords_forbid": [],
+                                  "node_id": "python-5354b3c513da44c0b33c35db3fa20923"
                                 }
                               },
                               {
-                                "拼接字符串": {
+                                "upper": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-73",
                                   "keywords_must": [],
-                                  "keywords_forbid": []
+                                  "keywords_forbid": [],
+                                  "node_id": "python-0f9ceb90a69f4186ab993e096f06138f"
                                 }
-                              },
+                              }
+                            ],
+                            "node_id": "python-4-176",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "字符串查找定位": {
+                            "keywords": [],
+                            "children": [
                               {
-                                "字符串表示str和repr": {
+                                "find": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-74",
+                                  "keywords_must": [],
+                                  "keywords_forbid": [],
+                                  "node_id": "python-c39621fc2d55404e84c15fbc1d0567a7"
+                                }
+                              },
+                              {
+                                "index": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "keywords_must": [],
+                                  "keywords_forbid": [],
+                                  "node_id": "python-ddf0677fd4bb4f3f87d211396de353df"
+                                }
+                              },
+                              {
+                                "center": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-4-182",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              }
+                            ],
+                            "node_id": "python-4-173",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "字符串连结、替换、分拆、截尾、转换": {
+                            "keywords": [],
+                            "children": [
+                              {
+                                "join": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-4-175",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "长字符串、原始字符串和字节": {
+                                "replace": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-75",
+                                  "node_id": "python-4-177",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "字符串基本操作": {
+                                "split": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-76",
+                                  "node_id": "python-4-178",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "设置字符串的格式：精简版": {
+                                "strip": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "替换字段名": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-18",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-77",
+                                  "children": [],
+                                  "node_id": "python-4-179",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "使用方法修改字符串的大小写": {
+                                "translate": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-78",
+                                  "node_id": "python-4-180",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              }
+                            ],
+                            "node_id": "python-4-175",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "lambda函数": {
+                      "node_id": "python-3-23",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "闭包": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-187",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "文件": {
+                      "node_id": "python-3-24",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "文件的基本方法": {
+                            "keywords": [],
+                            "children": [
+                              {
+                                "打开文件": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-4-188",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "使用制表符或换行符来添加空白": {
+                                "读取和写入": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-79",
+                                  "node_id": "python-5-128",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "删除空白": {
+                                "使用管道重定向输出": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-80",
+                                  "node_id": "python-5-129",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "使用字符串时避免语法错误": {
+                                "读取和写入行": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-81",
+                                  "node_id": "python-5-130",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "字符串编码转换": {
+                                "关闭文件": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "使用encode方法编码": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-19",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "使用decode方法解码": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-20",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-82",
+                                  "children": [],
+                                  "node_id": "python-5-131",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-121",
+                            "node_id": "python-4-191",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "文件内容迭代": {
+                            "keywords": [],
+                            "children": [
+                              {
+                                "每次一个字符（或字节）": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-123",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "每次一行": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-124",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "读取所有内容": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-125",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "使用fileinput实现延迟行迭代": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-126",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "文件迭代器": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-127",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              }
+                            ],
+                            "node_id": "python-4-190",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "内置类": {
-                      "node_id": "python-3-15",
+                    "常用标准库": {
+                      "node_id": "python-3-25",
                       "keywords": [],
                       "children": [
                         {
-                          "列表：list": {
+                          "时间和日期处理": {
                             "keywords": [],
                             "children": [
                               {
-                                "函数list": {
+                                "time": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-83",
                                   "keywords_must": [],
-                                  "keywords_forbid": []
+                                  "keywords_forbid": [],
+                                  "node_id": "python-17928e00cbe94d71ba0d5306d69e5e7a"
                                 }
                               },
                               {
-                                "基本的列表操作": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "遍历整个列表": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "深入研究循环": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-0",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "在for循环中执行更多操作": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-1",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "在for循环结束后执行一些操作": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-2",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-21",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "避免缩进错误": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "忘记缩进": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-3",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "忘记缩进额外的代码行": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-4",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "不必要的缩进": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-5",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "循环后不必要的缩进": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-6",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "遗漏了冒号": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-7",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-22",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "创建数值列表": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "使用range创建数字列表": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-8",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "对数字列表执行简单的统计计算": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-9",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "列表解析": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-10",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-23",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "设置代码格式": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "格式设置指南": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-11",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "行长": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-12",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "空行": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-13",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "其他格式设置指南": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-14",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-24",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-84",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "列表方法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-85",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "列表数据类型": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-86",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "增强的赋值操作": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-87",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "序列数据类型": {
+                                "datetime": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-88",
                                   "keywords_must": [],
-                                  "keywords_forbid": []
+                                  "keywords_forbid": [],
+                                  "node_id": "python-e18227c5ddab45c596ba1a5b83e22ce4"
                                 }
-                              },
+                              }
+                            ],
+                            "node_id": "python-4-192",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "os": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-195",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "json": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-193",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "sys": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-198",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "re": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-197",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "字符编码与解码": {
+                      "node_id": "python-3-26",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "理解内码和字节码的概念": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-203",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  }
+                ],
+                "keywords_must": [],
+                "keywords_forbid": []
+              }
+            },
+            {
+              "面向对象编程": {
+                "node_id": "python-2-3",
+                "keywords": [],
+                "children": [
+                  {
+                    "类和对象的概念": {
+                      "node_id": "python-3-27",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "类成员": {
+                      "node_id": "python-3-28",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "面向对象三要素": {
+                      "node_id": "python-3-29",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "封装": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-204",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "继承": {
+                            "keywords": [],
+                            "children": [
                               {
-                                "引用": {
+                                "子类的方法__init__": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-89",
+                                  "node_id": "python-5-133",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "访问列表元素": {
+                                "重写父类的方法": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-90",
+                                  "node_id": "python-5-134",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "索引从0而不是1开始": {
+                                "模拟实物": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-91",
+                                  "node_id": "python-5-135",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              },
-                              {
-                                "使用列表中的各个值": {
+                              }
+                            ],
+                            "node_id": "python-4-205",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "多态": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-206",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "创建类": {
+                      "node_id": "python-3-30",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "抽象类": {
+                      "node_id": "python-3-31",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "访问限制": {
+                      "node_id": "python-3-32",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "获取对象信息": {
+                      "node_id": "python-3-33",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  }
+                ],
+                "keywords_must": [],
+                "keywords_forbid": []
+              }
+            }
+          ],
+          "keywords_must": [],
+          "keywords_forbid": []
+        }
+      },
+      {
+        "python中阶": {
+          "node_id": "python-1-1",
+          "keywords": [],
+          "children": [
+            {
+              "基本技能": {
+                "node_id": "python-2-5",
+                "keywords": [],
+                "children": [
+                  {
+                    "解析命令行参数": {
+                      "node_id": "python-insert-4",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "时间日期处理": {
+                      "node_id": "python-3-128",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "time": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-752",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "datetime": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-753",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "数据文件读写": {
+                      "node_id": "python-3-129",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "excel": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-754",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          },
+                          "csv": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-754",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "数据库操作": {
+                      "node_id": "python-3-130",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "SQLite": {
+                            "keywords": [],
+                            "children": [
+                              {
+                                "创建数据库文件": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-92",
+                                  "node_id": "python-5-409",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "遍历切片": {
+                                "操作SQLite": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-93",
+                                  "node_id": "python-5-410",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              },
+                              }
+                            ],
+                            "node_id": "python-4-758",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "MySQL": {
+                            "keywords": [],
+                            "children": [
                               {
-                                "复制列表": {
+                                "下载安装MySQL": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-94",
+                                  "node_id": "python-5-411",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "列表的创建和删除": {
+                                "连接数据库": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-95",
+                                  "node_id": "python-5-412",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "对列表进行统计计算": {
+                                "创建数据表": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-96",
+                                  "node_id": "python-5-413",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "对列表进行排序": {
+                                "操作MySQL数据表": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-97",
+                                  "node_id": "python-5-414",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-137",
+                            "node_id": "python-4-759",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "字典：dict": {
+                          "Redis": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-757",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "操作系统和环境": {
+                      "node_id": "python-3-131",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "OS/Sys": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-762",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "源码打包": {
+                      "node_id": "python-3-133",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "pyinstaller": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-769",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "网络编程": {
+                      "node_id": "python-3-134",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "网络基础": {
                             "keywords": [],
                             "children": [
                               {
-                                "访问字典中的值": {
+                                "TCP/IP简介": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-98",
+                                  "node_id": "python-5-1539",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "添加键值对": {
+                                "UDP简介": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-99",
+                                  "node_id": "python-5-1540",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "先创建一个空字典": {
+                                "Socket简介": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-100",
+                                  "node_id": "python-5-1541",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              },
+                              }
+                            ],
+                            "node_id": "python-4-1484",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "TCP编程": {
+                            "keywords": [],
+                            "children": [
                               {
-                                "修改字典中的值": {
+                                "创建TCP服务器": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-101",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "删除键值对": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-102",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "由类似对象组成的字典": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-103",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用get来访问值": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-104",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "遍历字典": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "遍历所有键值对": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-25",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "遍历字典中的所有键": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-26",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "按特定顺序遍历字典中的所有键": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-27",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "遍历字典中的所有值": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-28",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-105",
+                                  "node_id": "python-5-1542",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "访问字典": {
+                                "创建TCP客户端": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-106",
+                                  "node_id": "python-5-1543",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "字典推导式": {
+                                "执行TCP服务器和客户端": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-107",
+                                  "node_id": "python-5-1544",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-138",
+                            "node_id": "python-4-1485",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "元组：tuple": {
+                          "UDP编程": {
                             "keywords": [],
                             "children": [
                               {
-                                "定义元组": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-108",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "遍历元组中的所有值": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-109",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "修改元组变量": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-110",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "访问元组元素": {
+                                "创建UDP服务器": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-111",
+                                  "node_id": "python-5-1545",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "修改元组": {
+                                "创建UDP客户端": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-112",
+                                  "node_id": "python-5-1546",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "元组推导式": {
+                                "执行UDP服务器和客户端": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-113",
+                                  "node_id": "python-5-1547",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-139",
+                            "node_id": "python-4-1486",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [
+                        "网络编程",
+                        "Socket"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "发送邮件": {
+                      "node_id": "python-3-135",
+                      "keywords": [],
+                      "children": [
                         {
-                          "集合：set": {
+                          "smtplib": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "创建集合": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-114",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "集合的交集、并集和差集运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-115",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-140",
+                            "children": [],
+                            "node_id": "python-4-788",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
-                  },
+                  }
+                ],
+                "keywords_must": [],
+                "keywords_forbid": []
+              }
+            },
+            {
+              "Web应用开发": {
+                "node_id": "python-2-6",
+                "keywords": [],
+                "children": [
                   {
-                    "常用内置函数": {
-                      "node_id": "python-3-16",
+                    "Web开发基础知识": {
+                      "node_id": "python-3-136",
                       "keywords": [],
                       "children": [
                         {
-                          "help": {
+                          "HTTP协议": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-143",
+                            "node_id": "python-4-792",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "input": {
+                          "HTTP错误码": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-144",
+                            "node_id": "python-4-792",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    " Django": {
+                      "node_id": "python-3-137",
+                      "keywords": [],
+                      "children": [
                         {
-                          "print": {
+                          "Django安装配置": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-145",
+                            "node_id": "python-4-794",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "range": {
+                          "DTL(Django Template Language)": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-146",
+                            "node_id": "python-4-795",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "format": {
+                          "Django路由定义": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-147",
+                            "node_id": "python-4-796",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "len": {
+                          "Django请求数据解析": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-148",
+                            "node_id": "python-4-797",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "sorted": {
+                          "Django数据库操作": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-149",
+                            "node_id": "python-4-798",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [
+                        "django"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    " Tornado": {
+                      "node_id": "python-3-138",
+                      "keywords": [],
+                      "children": [
                         {
-                          "open": {
+                          "Tornado安装配置": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-150",
+                            "node_id": "python-4-817",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "dir": {
+                          "Tornado模板": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-151",
+                            "node_id": "python-4-819",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "enumerate/zip": {
+                          "Tornado数据库操作": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-152",
+                            "node_id": "python-4-820",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "type/isinstance": {
+                          "Tornado异步Web服务": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-153",
+                            "node_id": "python-4-821",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "min/max/sum": {
+                          "外部服务认证（auth）": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-154",
+                            "node_id": "python-4-822",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [
+                        "tornado"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    " Flask": {
+                      "node_id": "python-3-139",
+                      "keywords": [],
+                      "children": [
                         {
-                          "abs/round/pow/divmod": {
+                          "Flask安装配置": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-155",
+                            "node_id": "python-4-826",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
+                        },
+                        {
+                          "Flask实现HTTP请求与响应": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-827",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "Flask模板": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-829",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "Flask数据库操作": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-831",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "flask"
+                      ],
+                      "keywords_forbid": []
+                    }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 1
+                "keywords_forbid": []
               }
             },
             {
-              "进阶语法": {
-                "node_id": "python-2-2",
+              "网络爬虫": {
+                "node_id": "python-2-7",
                 "keywords": [],
                 "children": [
                   {
-                    "列表推导式": {
-                      "node_id": "python-3-17",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "三元表达式": {
-                      "node_id": "python-3-18",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "三元表达式"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "断言": {
-                      "node_id": "python-3-19",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "with-as": {
-                      "node_id": "python-3-20",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "异常捕获预处理": {
-                      "node_id": "python-3-21",
+                    "urllib": {
+                      "node_id": "python-3-147",
                       "keywords": [],
                       "children": [
                         {
-                          "try-catch-finally": {
+                          "处理异常": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-171",
+                            "node_id": "python-4-868",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "异常捕获": {
+                          "解析链接": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-172",
+                            "node_id": "python-4-869",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "分析Robots协议": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-870",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "urllib"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "字符串方法": {
-                      "node_id": "python-3-22",
+                    "正则表达式": {
+                      "node_id": "python-3-148",
                       "keywords": [],
                       "children": [
                         {
-                          "find": {
+                          "正则表达式库: re": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-173",
+                            "node_id": "python-4-871",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "index": {
+                          "基础语法": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-174",
+                            "node_id": "python-4-872",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "join": {
+                          "标签匹配常用规则": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-175",
+                            "node_id": "python-4-873",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "Beautiful Soup": {
+                      "node_id": "python-3-149",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "Beautiful Soup 安装配置": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-879",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "lower": {
+                          "Beautiful Soup对象": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-176",
+                            "node_id": "python-4-880",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "replace": {
+                          "元素定位": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-177",
+                            "node_id": "python-4-881",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "split": {
+                          "文档树遍历与搜索": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-882",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "lxml": {
+                      "node_id": "python-3-150",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "lxml安装配置": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-178",
+                            "node_id": "python-4-883",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "strip": {
+                          "lxml.etree": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-179",
+                            "node_id": "python-4-884",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "translate": {
+                          "XPath选择器": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-180",
+                            "node_id": "python-4-885",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "upper": {
+                          "find/findall": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-181",
+                            "node_id": "python-4-886",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "center": {
+                          "CSS选择器": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-182",
+                            "node_id": "python-4-887",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "lxml"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "lambda函数": {
-                      "node_id": "python-3-23",
+                    "requests": {
+                      "node_id": "python-3-151",
                       "keywords": [],
                       "children": [
                         {
-                          "迭代器": {
+                          "requests安装配置": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "迭代器协议": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-116",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "从迭代器创建序列": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-117",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-184",
+                            "children": [],
+                            "node_id": "python-4-889",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "生成器": {
+                          "requests发送请求与HTTP请求类型": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "创建生成器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-118",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "递归式生成器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-119",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "通用生成器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-120",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "生成器的方法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-121",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "模拟生成器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-122",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-185",
+                            "children": [],
+                            "node_id": "python-4-890",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "装饰器": {
+                          "requests传递URL参数": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-891",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "requests定制请求头": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-186",
+                            "node_id": "python-4-893",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "闭包": {
+                          "身份认证": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-187",
+                            "node_id": "python-4-897",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "requests"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "文件": {
-                      "node_id": "python-3-24",
+                    "Selenium": {
+                      "node_id": "python-3-152",
                       "keywords": [],
                       "children": [
                         {
-                          "打开文件": {
+                          "Selenium安装配置": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-188",
+                            "node_id": "python-4-901",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "文件基本方法": {
+                          "Selenium单元素定位（find_element_id/name/xpath）": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-189",
+                            "node_id": "python-4-902",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "文件内容迭代": {
+                          "Selenium多元素定位（find_elements_id/name/xpath）": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "每次一个字符（或字节）": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-123",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "每次一行": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-124",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "读取所有内容": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-125",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用fileinput实现延迟行迭代": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-126",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "文件迭代器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-127",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-190",
+                            "children": [],
+                            "node_id": "python-4-903",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "文件的基本方法": {
+                          "Selenium键盘和鼠标操作": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "读取和写入": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-128",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用管道重定向输出": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-129",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "读取和写入行": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-130",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "关闭文件": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-131",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "使用文件的基本方法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-132",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-191",
+                            "children": [],
+                            "node_id": "python-4-905",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "Selenium表单交互": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-907",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "常用标准库": {
-                      "node_id": "python-3-25",
+                    "Scrapy框架": {
+                      "node_id": "python-3-153",
                       "keywords": [],
                       "children": [
                         {
-                          "datetime": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-192",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "json": {
+                          "Scrapy安装配置": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-193",
+                            "node_id": "python-4-909",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "math": {
+                          "Scrapy框架组成": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-194",
+                            "node_id": "python-4-910",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "os": {
+                          "Scrapy Item Pipeline": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-195",
+                            "node_id": "python-4-911",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "random": {
+                          "Scrapy Downloader": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-196",
+                            "node_id": "python-4-912",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "re": {
+                          "Scrapy Spiders": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-197",
+                            "node_id": "python-4-913",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [
+                        "scrapy"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "pyspider框架的使用": {
+                      "node_id": "python-3-171",
+                      "keywords": [],
+                      "children": [
                         {
-                          "sys": {
+                          "pyspider框架介绍": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-198",
+                            "node_id": "python-4-976",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "time": {
+                          "pyspider的基本使用": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-199",
+                            "node_id": "python-4-977",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "urllib": {
+                          "pyspider用法详解": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-200",
+                            "node_id": "python-4-978",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "验证码处理": {
+                      "node_id": "python-3-158",
+                      "keywords": [],
+                      "children": [
                         {
-                          "fileinput": {
+                          "自动输入/OCR字符识别": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-201",
+                            "node_id": "python-4-934",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "字符编码与解码": {
-                      "node_id": "python-3-26",
+                    "动态渲染页面爬取": {
+                      "node_id": "python-3-166",
                       "keywords": [],
                       "children": [
                         {
-                          "理解内码和字节码的概念": {
+                          "使用Selenium爬取淘宝商品": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-203",
+                            "node_id": "python-4-958",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  }
-                ],
-                "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 1
-              }
-            },
-            {
-              "面向对象编程": {
-                "node_id": "python-2-3",
-                "keywords": [],
-                "children": [
-                  {
-                    "类和对象的概念": {
-                      "node_id": "python-3-27",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "类成员": {
-                      "node_id": "python-3-28",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "面向对象三要素": {
-                      "node_id": "python-3-29",
+                    "模拟登录": {
+                      "node_id": "python-3-169",
                       "keywords": [],
                       "children": [
                         {
-                          "封装": {
+                          "模拟登录并爬取GitHub": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-204",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "继承": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "子类的方法__init__": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-133",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "重写父类的方法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-134",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "模拟实物": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-135",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-205",
+                            "node_id": "python-4-968",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "多态": {
+                          "Cookies池的搭建": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-206",
+                            "node_id": "python-4-969",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "创建类": {
-                      "node_id": "python-3-30",
+                    "autoscraper": {
+                      "node_id": "python-7330398a1359430c9b02244f689203c7",
                       "keywords": [],
                       "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "autoscraper"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "抽象类": {
-                      "node_id": "python-3-31",
+                    "selectolax": {
+                      "node_id": "python-113824a228cf45f9b4f6e854a992c2f9",
                       "keywords": [],
                       "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "selectolax"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "访问限制": {
-                      "node_id": "python-3-32",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "获取对象信息": {
-                      "node_id": "python-3-33",
+                    "requests-html": {
+                      "node_id": "python-7d8a025ed5434ecc84708407e3db6d17",
                       "keywords": [],
                       "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "requests-html"
+                      ],
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 1
+                "keywords_forbid": []
               }
-            }
-          ],
-          "keywords_must": [],
-          "keywords_forbid": [],
-          "group": 0
-        }
-      },
-      {
-        "python中阶": {
-          "node_id": "python-1-1",
-          "keywords": [],
-          "children": [
+            },
             {
-              "基本技能": {
-                "node_id": "python-2-5",
+              "桌面应用开发": {
+                "node_id": "python-2-8",
                 "keywords": [],
                 "children": [
                   {
-                    "解析命令行参数": {
-                      "node_id": "python-insert-4",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "时间日期处理": {
-                      "node_id": "python-3-128",
+                    "Tkinter": {
+                      "node_id": "python-3-174",
                       "keywords": [],
                       "children": [
                         {
-                          "time": {
+                          "Tkinter安装配置": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-752",
+                            "node_id": "python-4-989",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "datetime": {
+                          "Tkinter模块": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-753",
+                            "node_id": "python-4-990",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "数据文件读写": {
-                      "node_id": "python-3-129",
-                      "keywords": [],
-                      "children": [
+                        },
                         {
-                          "excel/csv/hdf/netCDF": {
+                          "Tkinter控件": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-754",
+                            "node_id": "python-4-991",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "tkinter",
+                        "tk"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "数据库操作": {
-                      "node_id": "python-3-130",
+                    "PyQT": {
+                      "node_id": "python-3-175",
                       "keywords": [],
                       "children": [
                         {
-                          "数据库安装配置": {
+                          "PyQT安装配置": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-756",
+                            "node_id": "python-4-995",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "SQL语句": {
+                          "PyQT布局管理": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-757",
+                            "node_id": "python-4-997",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "SQLite": {
+                          "PyQT事件和信号": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "创建数据库文件": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-409",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "操作SQLite": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-410",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-758",
+                            "children": [],
+                            "node_id": "python-4-999",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "MySQL": {
+                          "PyQT对话框": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "下载安装MySQL": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-411",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "连接数据库": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-412",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "创建数据表": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-413",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "操作MySQL数据表": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-414",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-759",
+                            "children": [],
+                            "node_id": "python-4-1000",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "MongoDB": {
+                          "PyQT控件": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-760",
+                            "node_id": "python-4-1001",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "pyqt"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "操作系统和环境": {
-                      "node_id": "python-3-131",
+                    "WxPython": {
+                      "node_id": "python-3-176",
                       "keywords": [],
                       "children": [
                         {
-                          "OS/Sys": {
+                          "WxPython安装配置": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-762",
+                            "node_id": "python-4-1004",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "源码打包": {
-                      "node_id": "python-3-133",
-                      "keywords": [],
-                      "children": [
+                        },
                         {
-                          "pyinstaller": {
+                          "WxPython布局管理": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-769",
+                            "node_id": "python-4-1006",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "网络编程": {
-                      "node_id": "python-3-134",
-                      "keywords": [],
-                      "children": [
+                        },
                         {
-                          "网络基础": {
+                          "WxPython事件处理": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "TCP/IP简介": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1539",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "UDP简介": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1540",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Socket简介": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1541",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1484",
+                            "children": [],
+                            "node_id": "python-4-1007",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "TCP编程": {
+                          "WxPython对话框": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "创建TCP服务器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1542",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "创建TCP客户端": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1543",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "执行TCP服务器和客户端": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1544",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1485",
+                            "children": [],
+                            "node_id": "python-4-1008",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "UDP编程": {
+                          "WxPython组件": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "创建UDP服务器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1545",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "创建UDP客户端": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1546",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "执行UDP服务器和客户端": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1547",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1486",
+                            "children": [],
+                            "node_id": "python-4-1009",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [
-                        "网络编程",
-                        "Socket"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "发送邮件": {
-                      "node_id": "python-3-135",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "smtplib": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-788",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
+                        "wxpython",
+                        "wx"
                       ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 1
+                "keywords_forbid": []
               }
-            },
+            }
+          ],
+          "keywords_must": [],
+          "keywords_forbid": []
+        }
+      },
+      {
+        "python高阶": {
+          "node_id": "python-1-2",
+          "keywords": [],
+          "children": [
             {
-              "Web应用开发": {
-                "node_id": "python-2-6",
+              "科学计算基础软件包NumPy": {
+                "node_id": "python-2-10",
                 "keywords": [],
                 "children": [
                   {
-                    "Web开发基础知识": {
-                      "node_id": "python-3-136",
+                    "NumPy概述": {
+                      "node_id": "python-3-195",
                       "keywords": [],
                       "children": [
                         {
-                          "HTML/HTML5/CSS": {
+                          "NumPy的前世今生": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-789",
+                            "node_id": "python-4-1120",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "前端数据库和后台": {
+                          "NumPy数组vs Python列表": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-790",
+                            "node_id": "python-4-1121",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "MVC架构": {
+                          "NumPy数组类型和属性": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-791",
+                            "node_id": "python-4-1122",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "REST和Ajax": {
+                          "维、轴、秩": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-792",
+                            "node_id": "python-4-1123",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "广播和矢量化": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1124",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "numpy",
+                        "np"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    " Django": {
-                      "node_id": "python-3-137",
+                    "安装配置": {
+                      "node_id": "python-3-196",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [
+                        "numpy",
+                        "np"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "创建数组": {
+                      "node_id": "python-3-197",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [
+                        "numpy",
+                        "np"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "操作数组": {
+                      "node_id": "python-3-198",
                       "keywords": [],
                       "children": [
                         {
-                          "Django简介": {
+                          "切片": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-793",
+                            "node_id": "python-4-1126",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Django安装配置": {
+                          "合并、拆分、复制": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-794",
+                            "node_id": "python-4-1128",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "DTL(Django Template Language)": {
+                          "排序": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-795",
+                            "node_id": "python-4-1130",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Django路由定义": {
+                          "查找": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-796",
+                            "node_id": "python-4-1131",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Django请求数据解析": {
+                          "筛选": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-797",
+                            "node_id": "python-4-1132",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "numpy",
+                        "np"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "常用函数": {
+                      "node_id": "python-3-199",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "np.nan和np.inf": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1134",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Django数据库操作": {
+                          "数学函数": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-798",
+                            "node_id": "python-4-1136",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Django提交表单": {
+                          "统计函数": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-799",
+                            "node_id": "python-4-1137",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Django Rest Framework": {
+                          "插值函数": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-800",
+                            "node_id": "python-4-1138",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "部署日志与安全": {
+                          "多项式拟合函数": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-801",
+                            "node_id": "python-4-1139",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [
-                        "django"
+                        "numpy",
+                        "np"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    " Tornado": {
-                      "node_id": "python-3-138",
+                    "掩码数组": {
+                      "node_id": "python-3-200",
                       "keywords": [],
                       "children": [
                         {
-                          "Tornado简介": {
+                          "创建掩码数组": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-816",
+                            "node_id": "python-4-1141",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Tornado安装配置": {
+                          "访问掩码数组": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-817",
+                            "node_id": "python-4-1142",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [
+                        "numpy",
+                        "np"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "矩阵对象": {
+                      "node_id": "python-3-201",
+                      "keywords": [],
+                      "children": [
                         {
-                          "Tornado提交表单": {
+                          "创建矩阵": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-818",
+                            "node_id": "python-4-1143",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Tornado模板": {
+                          "矩阵特有属性": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-819",
+                            "node_id": "python-4-1144",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Tornado数据库操作": {
+                          "矩阵乘法": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-820",
+                            "node_id": "python-4-1145",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "numpy",
+                        "np"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "随机抽样子模块": {
+                      "node_id": "python-3-202",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "随机数": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1146",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Tornado异步Web服务": {
+                          "随机抽样": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-821",
+                            "node_id": "python-4-1147",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "外部服务认证（auth）": {
+                          "正态分布": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-822",
+                            "node_id": "python-4-1148",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "部署日志与安全": {
+                          "伪随机数的深度思考": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-823",
+                            "node_id": "python-4-1149",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
                       "keywords_must": [
-                        "tornado"
+                        "numpy",
+                        "np"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
-                  },
+                  }
+                ],
+                "keywords_must": [],
+                "keywords_forbid": []
+              }
+            },
+            {
+              "结构化数据分析工具Pandas": {
+                "node_id": "python-2-11",
+                "keywords": [],
+                "children": [
                   {
-                    " Flask": {
-                      "node_id": "python-3-139",
+                    "Pandas概览": {
+                      "node_id": "python-3-203",
                       "keywords": [],
                       "children": [
                         {
-                          "Flask简介": {
+                          "Panda安装和使用": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "安装": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "创建应用目录": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-56",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "虚拟环境": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-57",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "在Python 3中创建虚拟环境": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-58",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "在Python 2中创建虚拟环境": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-59",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "使用虚拟环境": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-60",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "使用pip安装Python包": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-61",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-467",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "应用的基本结构": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "初始化": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-62",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "路由和视图函数": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-63",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "一个完整的应用": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-64",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "Web开发服务器": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-65",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "动态路由": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-66",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "调试模式": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-67",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "命令行选项": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-68",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "请求–响应循环": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "应用和请求上下文": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-15",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "请求分派": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-16",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "请求对象": {
-                                              "keywords": [],
-                                              "children": [
-                                                {
-                                                  "对象显示": {
-                                                    "keywords": [],
-                                                    "children": [],
-                                                    "node_id": "python-8-0",
-                                                    "keywords_must": [],
-                                                    "keywords_forbid": []
-                                                  }
-                                                },
-                                                {
-                                                  "有效创建大量对象": {
-                                                    "keywords": [],
-                                                    "children": [],
-                                                    "node_id": "python-8-1",
-                                                    "keywords_must": [],
-                                                    "keywords_forbid": []
-                                                  }
-                                                },
-                                                {
-                                                  "由字符串调用对象": {
-                                                    "keywords": [],
-                                                    "children": [],
-                                                    "node_id": "python-8-2",
-                                                    "keywords_must": [],
-                                                    "keywords_forbid": []
-                                                  }
-                                                }
-                                              ],
-                                              "node_id": "python-7-17",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "请求钩子": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-18",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-69",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "Flask扩展": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-70",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-468",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "模板": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "Jinja2模板引擎": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "渲染模板": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-19",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "变量": {
-                                              "keywords": [],
-                                              "children": [
-                                                {
-                                                  "匿名函数捕获变量值": {
-                                                    "keywords": [],
-                                                    "children": [],
-                                                    "node_id": "python-8-3",
-                                                    "keywords_must": [],
-                                                    "keywords_forbid": []
-                                                  }
-                                                },
-                                                {
-                                                  "访问闭包中定义的变量": {
-                                                    "keywords": [],
-                                                    "children": [],
-                                                    "node_id": "python-8-4",
-                                                    "keywords_must": [],
-                                                    "keywords_forbid": []
-                                                  }
-                                                }
-                                              ],
-                                              "node_id": "python-7-20",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "控制结构": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-21",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-71",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "使用Flask-Bootstrap集成Bootstrap": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-72",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "自定义错误页面": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-73",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "链接": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-74",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "静态文件": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-75",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "使用Flask-Moment本地化日期和时间": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-76",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-469",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Web表单": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "配置": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-77",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "表单类": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-5-1569",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "把表单渲染成HTML": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-5-1570",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "在视图函数中处理表单": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-80",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "重定向和用户会话": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-81",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "闪现消息": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-82",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-470",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "数据库": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "SQL数据库": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-83",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "NoSQL数据库": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-84",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "使用SQL还是NoSQL": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-85",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "Python数据库框架": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-86",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "使用Flask-SQLAlchemy管理数据库": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-87",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "定义模型": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-88",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "关系": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-89",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "数据库操作": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "创建表": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-22",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "插入行": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-23",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "修改行": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-24",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "删除行": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-25",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "查询行": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-26",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-90",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "在视图函数中操作数据库": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-91",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "集成Python shell": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-92",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "使用Flask-Migrate实现数据库迁移": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "创建迁移仓库": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-27",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "创建迁移脚本": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-28",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "更新数据库": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-29",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "添加几个迁移": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-30",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-93",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-471",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "电子邮件": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "电子邮件系统组件和协议": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-94",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "发送电子邮件": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-95",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "Python和SMTP": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-96",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "smtplib.SMTP类方法": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-97",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "交互式SMTP示例": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-98",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "SMTP的其他内容": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-99",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "接收电子邮件": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-100",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "POP和IMAP": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-101",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "交互式POP3示例": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-102",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "poplib.POP3类方法": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-103",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "客户端程序SMTP和POP3示例": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-104",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "交互式IMAP4示例": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-105",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "imaplib.IMAP4类中的常用方法": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-106",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-472",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "大型应用的结构": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "配置选项": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-107",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "应用包": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "使用应用工厂函数": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-31",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "在蓝本中实现应用功能": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-32",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-108",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "应用脚本": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-109",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "需求文件": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-110",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "单元测试": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "blog应用的代码审查": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-33",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-111",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "创建数据库": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-112",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "运行应用": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-113",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-473",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-825",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Flask安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-826",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Flask实现HTTP请求与响应": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-827",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Flask cookie与session": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-828",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Flask模板": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-829",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Flask提交表单": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-830",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Flask数据库操作": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-831",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Bootstrap-Flask": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-832",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Flask开发REST Web服务": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-833",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "部署日志与安全": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-834",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "flask"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  }
-                ],
-                "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 1
-              }
-            },
-            {
-              "网络爬虫": {
-                "node_id": "python-2-7",
-                "keywords": [],
-                "children": [
-                  {
-                    "urllib": {
-                      "node_id": "python-3-147",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "处理异常": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-868",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "解析链接": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-869",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "分析Robots协议": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-870",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "urllib"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "正则表达式": {
-                      "node_id": "python-3-148",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "RE(Regular Expression )": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-871",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "基础语法": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-872",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "标签匹配常用规则": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-873",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "Beautiful Soup": {
-                      "node_id": "python-3-149",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "Beautiful Soup简介": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-878",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-879",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Beautiful Soup对象": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-880",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "元素定位": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-881",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "文档树遍历与搜索": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-882",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "lxml": {
-                      "node_id": "python-3-150",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-883",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "lxml.etree": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-884",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "XPath选择器": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-885",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "find/findall": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-886",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "CSS选择器": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-887",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "解析HTML": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-888",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "lxml"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "requests": {
-                      "node_id": "python-3-151",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-889",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "发送请求与HTTP请求类型": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-890",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "传递URL参数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-891",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "响应内容": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-892",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "定制请求头": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-893",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "响应状态码": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-894",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Cookie": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-895",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "POST请求": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-896",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "身份认证": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-897",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "requests"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "Selenium": {
-                      "node_id": "python-3-152",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "Selenium简介": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-900",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-901",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "单元素定位（find_element_id/name/xpath）": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-902",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "多元素定位（find_elements_id/name/xpath）": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-903",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "常用方法和属性": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "可管理属性创建": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-535",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "延迟计算属性": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-536",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "属性的代理访问": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-537",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "创建用于计算的属性": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-538",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "为属性添加安全保护机制": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-539",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-904",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "键盘和鼠标操作": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-905",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "WebDriver API": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-906",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "表单交互": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-907",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "Scrapy框架": {
-                      "node_id": "python-3-153",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "Scrapy简介": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-908",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-909",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Scrapy框架组成": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-910",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Item Pipeline": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-911",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Downloader": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-912",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Spiders": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-913",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Scheduler": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-914",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "scrapy"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "pyspider框架的使用": {
-                      "node_id": "python-3-171",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "pyspider框架介绍": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-976",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "pyspider的基本使用": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-977",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "pyspider用法详解": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-978",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "验证码处理": {
-                      "node_id": "python-3-158",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "自动输入/OCR字符识别": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-934",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "动态渲染页面爬取": {
-                      "node_id": "python-3-166",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "Splash的使用": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-956",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Splash负载均衡配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-957",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "使用Selenium爬取淘宝商品": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-958",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "模拟登录": {
-                      "node_id": "python-3-169",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "模拟登录并爬取GitHub": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-968",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Cookies池的搭建": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-969",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "autoscraper": {
-                      "node_id": "python-7330398a1359430c9b02244f689203c7",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "autoscraper"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "selectolax": {
-                      "node_id": "python-113824a228cf45f9b4f6e854a992c2f9",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "selectolax"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "requests-html": {
-                      "node_id": "python-7d8a025ed5434ecc84708407e3db6d17",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "requests-html"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  }
-                ],
-                "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 1
-              }
-            },
-            {
-              "桌面应用开发": {
-                "node_id": "python-2-8",
-                "keywords": [],
-                "children": [
-                  {
-                    "Tkinter": {
-                      "node_id": "python-3-174",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "Tkinter简介": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-988",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-989",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Tkinter模块": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-990",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "Tkinter控件": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-991",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "标准属性": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-992",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "几何管理": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-993",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "tkinter",
-                        "tk"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "PyQT": {
-                      "node_id": "python-3-175",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "PyQT简介": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-994",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-995",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "PyQT模块": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-996",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "PyQT布局管理": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-997",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "PyQT菜单和工具栏": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-998",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "事件和信号": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-999",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "PyQT对话框": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1000",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "PyQT控件": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1001",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "PyQT拖拽与绘图": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1002",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "pyqt"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "WxPython": {
-                      "node_id": "python-3-176",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "WxPython简介": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1003",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1004",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "WxPython常用类": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1005",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "WxPython布局管理": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1006",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "WxPython事件处理": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1007",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "WxPython对话框": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1008",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "WxPython组件": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1009",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "WxPython拖拽处理": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1010",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "WxPython绘图API": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1011",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "wxpython",
-                        "wx"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  }
-                ],
-                "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 1
-              }
-            }
-          ],
-          "keywords_must": [],
-          "keywords_forbid": [],
-          "group": 0
-        }
-      },
-      {
-        "python高阶": {
-          "node_id": "python-1-2",
-          "keywords": [],
-          "children": [
-            {
-              "科学计算基础软件包NumPy": {
-                "node_id": "python-2-10",
-                "keywords": [],
-                "children": [
-                  {
-                    "NumPy概述": {
-                      "node_id": "python-3-195",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "NumPy的前世今生": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1120",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "NumPy数组vs Python列表": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1121",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "NumPy数组类型和属性": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1122",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "维、轴、秩": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1123",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "广播和矢量化": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1124",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "numpy",
-                        "np"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "安装配置": {
-                      "node_id": "python-3-196",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "numpy",
-                        "np"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "创建数组": {
-                      "node_id": "python-3-197",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "numpy",
-                        "np"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "操作数组": {
-                      "node_id": "python-3-198",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "索引": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1125",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "切片": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1126",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "改变数组结构": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1127",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "合并和拆分": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1128",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "复制": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1129",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "排序": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1130",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "查找": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1131",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "筛选": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1132",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "数组I/O": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1133",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "numpy",
-                        "np"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "常用函数": {
-                      "node_id": "python-3-199",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "np.nan和np.inf": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1134",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "函数命名空间": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1135",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "数学函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1136",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "统计函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1137",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "插值函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1138",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "多项式拟合函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1139",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "自定义广播函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1140",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "numpy",
-                        "np"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "掩码数组": {
-                      "node_id": "python-3-200",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "创建掩码数组": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1141",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "访问掩码数组": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1142",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "numpy",
-                        "np"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "矩阵对象": {
-                      "node_id": "python-3-201",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "创建矩阵": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1143",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "矩阵特有属性": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1144",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "矩阵乘法": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1145",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "numpy",
-                        "np"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "随机抽样子模块": {
-                      "node_id": "python-3-202",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "随机数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1146",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "随机抽样": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1147",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "正态分布": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1148",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "伪随机数的深度思考": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1149",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "numpy",
-                        "np"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  }
-                ],
-                "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 2
-              }
-            },
-            {
-              "结构化数据分析工具Pandas": {
-                "node_id": "python-2-11",
-                "keywords": [],
-                "children": [
-                  {
-                    "Pandas概览": {
-                      "node_id": "python-3-203",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "Panda的特点": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1150",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "安装和使用": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1151",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "pandas",
-                        "pd"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "数据结构": {
-                      "node_id": "python-3-204",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "索引数组Index": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1152",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "带标签的一维同构数组Series": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1153",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "带标签的二维异构表格DataFrame": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1154",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "pandas",
-                        "pd"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "基本操作": {
-                      "node_id": "python-3-205",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "数据预览": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1155",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "数据选择": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1156",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "改变数据结构": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1157",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "改变数据类型": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1158",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "广播与矢量化运算": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1159",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "行列级广播函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1160",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "pandas",
-                        "pd"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "高级应用": {
-                      "node_id": "python-3-206",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "分组": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1161",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "聚合": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1162",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "层次化索引": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1163",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "表级广播函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1164",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "日期时间索引对象": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1165",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "透视表": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1166",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "数据可视化": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1167",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "数据I/O": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1168",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "pandas",
-                        "pd"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  }
-                ],
-                "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 2
-              }
-            },
-            {
-              "绘图库Matplotlib": {
-                "node_id": "python-2-12",
-                "keywords": [],
-                "children": [
-                  {
-                    "安装配置": {
-                      "node_id": "python-3-207",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "matplotlib",
-                        "matplot"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "Matplotlib快速入门": {
-                      "node_id": "python-3-208",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "画布": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1169",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "子图与子图布局": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1170",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "坐标轴与刻度的名称": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1171",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "图例和文本标注": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1172",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "显示和保存": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1173",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "matplotlib",
-                        "matplot"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "图形绘制": {
-                      "node_id": "python-3-209",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "曲线图": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1174",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "散点图": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1175",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "直方图": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1176",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "饼图": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1177",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "箱线图": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1178",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "绘制图像": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1179",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "极坐标绘图": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1180",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "matplotlib",
-                        "matplot"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "风格和样式": {
-                      "node_id": "python-3-210",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "画布设置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1181",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "子图布局": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1182",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "颜色": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1183",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "线条和点的样式": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1184",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "坐标轴": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1185",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "刻度": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1186",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "文本": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1187",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "图例": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1188",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "网格设置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1189",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "matplotlib",
-                        "matplot"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  }
-                ],
-                "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 2
-              }
-            },
-            {
-              "科学计算工具包SciPy": {
-                "node_id": "python-2-13",
-                "keywords": [],
-                "children": [
-                  {
-                    "SciPy概览": {
-                      "node_id": "python-3-212",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "scipy"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "安装配置": {
-                      "node_id": "python-3-213",
-                      "keywords": [],
-                      "children": [],
-                      "keywords_must": [
-                        "scipy"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "数据插值": {
-                      "node_id": "python-3-214",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "一维插值": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1192",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "二维插值": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1193",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "离散数据插值到网格": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1194",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "scipy"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "曲线拟合": {
-                      "node_id": "python-3-215",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "最小二乘法拟合": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1195",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "使用curve_fit函数拟合": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1196",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "多项式拟合函数": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1197",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "scipy"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "傅里叶变换": {
-                      "node_id": "python-3-216",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "时域到频域的转换": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1198",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "一维傅里叶变换的应用": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1199",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "二维傅里叶变换的应用": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1200",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "scipy"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "图像处理": {
-                      "node_id": "python-3-217",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "图像卷积": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1201",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "边缘检测": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1202",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "侵蚀和膨胀": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1203",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "图像测量": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1204",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "scipy"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "积分": {
-                      "node_id": "python-3-218",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "对给定函数的定积分": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1205",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "对给定样本的定积分": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1206",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "二重定积分": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1207",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "非线性方程求解": {
-                      "node_id": "python-3-219",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "非线性方程": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1208",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "非线性方程组": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1209",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "线性代数": {
-                      "node_id": "python-3-220",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "计算矩阵的行列式": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1210",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "求解逆矩阵": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1211",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "计算特征向量和特征值": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1212",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "矩阵的奇异值分解": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1213",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "求解线性方程组": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1214",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "聚类": {
-                      "node_id": "python-3-221",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "k-means聚类": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1215",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "层次聚类": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1216",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "空间计算": {
-                      "node_id": "python-3-222",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "空间旋转的表述": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1217",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "三维旋转": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1218",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  }
-                ],
-                "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 2
-              }
-            },
-            {
-              "数据分析": {
-                "node_id": "python-2-14",
-                "keywords": [],
-                "children": [
-                  {
-                    "CSV文件": {
-                      "node_id": "python-3-224",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "筛选特定的行": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "行中的值满足某个条件": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-814",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "行中的值属于某个集合": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-815",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "行中的值匹配于某个模式/ 正则表达式": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-816",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1227",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "选取特定的列": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "列索引值": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-817",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "列标题": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-818",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1228",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "选取连续的行": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1229",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "添加标题行": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1230",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "读取多个CSV文件": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1231",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "csv"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "Excel文件": {
-                      "node_id": "python-3-225",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "内省Excel工作簿": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1234",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "处理单个工作表": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "读写Excel文件": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-819",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "筛选特定行": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-820",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "选取特定列": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-821",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1235",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "读取工作簿中的所有工作表": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "在所有工作表中筛选特定行": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-822",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "在所有工作表中选取特定列": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-823",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1236",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "在Excel工作簿中读取一组工作表": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1237",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "处理多个工作簿": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "工作表计数以及每个工作表中的行列计数": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-824",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "从多个工作簿中连接数据": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-825",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1238",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [
-                        "excel"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "时间序列": {
-                      "node_id": "python-3-241",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "包含趋势的序列分析": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "曲线拟合": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1324",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "从时间序列中去除趋势": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1325",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1403",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "包含周期性的序列数据分析": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1404",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "平稳时间序列": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "平稳过程": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1328",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "自相关和相关图": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1329",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "自协方差和自相关函数的估计": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1330",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1406",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "混合ARMA模型": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1408",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "集成ARMA模型": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1409",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        }
-                      ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  }
-                ],
-                "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 2
-              }
-            },
-            {
-              "人工智能": {
-                "node_id": "python-2-15",
-                "keywords": [],
-                "children": [
-                  {
-                    "机器学习工具包Scikit-learn": {
-                      "node_id": "python-3-245",
-                      "keywords": [],
-                      "children": [
-                        {
-                          "Scikit-learn概览": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1308",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "安装配置": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1309",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "数据集": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "Scikit-learn自带的数据集": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-980",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "样本生成器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-981",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "加载其他数据集": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-982",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1310",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "数据预处理Preprocessing": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "标准化": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-983",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "归一化": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-984",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "正则化": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-985",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "离散化": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-986",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "特征编码": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-987",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "缺失值补全": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-988",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1311",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "分类Classification": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "K-近邻分类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-989",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "贝叶斯分类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-990",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "决策树分类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-991",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "支持向量机分类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-992",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "随机森林分类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-993",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "集成学习Bagging/Boosting": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-994",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经网络模型": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-995",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1312",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "回归Regression": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "线性回归": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-996",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Lasso回归": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-997",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "支持向量机回归": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-998",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "K-近邻回归": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-999",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "决策树回归": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1000",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "随机森林回归": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1001",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "逻辑回归": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1002",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1313",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "聚类Clustering": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "K-Means聚类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1003",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "均值漂移聚类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1004",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "基于密度的空间聚类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1005",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "谱聚类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1006",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "层次聚类": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "自下而上的方法": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-174",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "聚类之间的距离": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-175",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "自上而下的方法": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-176",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "图论方法": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-177",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1007",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1314",
+                            "children": [],
+                            "node_id": "python-4-1151",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "pandas",
+                        "pd"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "数据结构": {
+                      "node_id": "python-3-204",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "索引数组Index": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1152",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "成分分解与降维": {
+                          "带标签的一维同构数组Series": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "主成分分析": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1008",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "因子分析": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1009",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "截断奇异值分解": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1010",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "独立成分分析ICA（Independent Component Analysis）": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1011",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1315",
+                            "children": [],
+                            "node_id": "python-4-1153",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "模型评估与参数调优": {
+                          "带标签的二维异构表格DataFrame": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "估计器得分": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1012",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "交叉验证": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1013",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "评价指标": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1014",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "参数调优": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1015",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "模型持久化": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1016",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1316",
+                            "children": [],
+                            "node_id": "python-4-1154",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "pandas",
+                        "pd"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "深度学习": {
-                      "node_id": "python-3-246",
+                    "基本操作": {
+                      "node_id": "python-3-205",
                       "keywords": [],
                       "children": [
                         {
-                          "神经网络基础知识": {
+                          "数据选择": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "人工智能发展历史": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1017",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经元": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1018",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "BP神经网络": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1019",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "梯度下降": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1020",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "激励函数": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1021",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "过拟合、欠拟合": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1022",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "优化器Optimizer": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1023",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "常用开发工具": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1024",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1317",
+                            "children": [],
+                            "node_id": "python-4-1156",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "改变数据结构": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1157",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "改变数据类型": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1158",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "广播与矢量化运算": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1159",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "行列级广播函数": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1160",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "pandas",
+                        "pd"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "高级应用": {
+                      "node_id": "python-3-206",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "分组": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1161",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "环境配置": {
+                          "聚合": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "Windows搭建深度学习环境": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1025",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Linux搭建深度学习环境": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1026",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "MacOS搭建深度学习环境": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1027",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "CPU/GPU环境搭建": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1028",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1318",
+                            "children": [],
+                            "node_id": "python-4-1162",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Theano": {
+                          "表级广播函数": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "Theano基础知识": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1029",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "定义Layer": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1030",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "CNN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1031",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "RNN(GRU/LSTM)": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1032",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Autoencoder": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1033",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经网络参数保存": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1034",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经网络性能评价": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1035",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1319",
+                            "children": [],
+                            "node_id": "python-4-1164",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "TensorFlow": {
+                          "透视表": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "TensorFlow基础知识": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1036",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Tensor": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1037",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Session": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1038",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Variable": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1039",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Placeholder": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1040",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Dropout": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1041",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Tensorboard": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1042",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "CNN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1043",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "RNN(GRU/LSTM)": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1044",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Autoencoder": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1045",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "GNN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1046",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经网络参数保存": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1047",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经网络性能评价": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1048",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1320",
+                            "children": [],
+                            "node_id": "python-4-1166",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "数据可视化": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1167",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "pandas",
+                        "pd"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  }
+                ],
+                "keywords_must": [],
+                "keywords_forbid": []
+              }
+            },
+            {
+              "绘图库Matplotlib": {
+                "node_id": "python-2-12",
+                "keywords": [],
+                "children": [
+                  {
+                    "安装配置": {
+                      "node_id": "python-3-207",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [
+                        "matplotlib",
+                        "matplot"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "Matplotlib快速入门": {
+                      "node_id": "python-3-208",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "画布": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1169",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Keras": {
+                          "子图与子图布局": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "Keras基础语法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1049",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "兼容Backend": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1050",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "函数模型和序列模型": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1051",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "定义Layer": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1052",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "CNN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1053",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "RNN(GRU/LSTM)": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1054",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Autoencoder": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1055",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "GNN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1056",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "迁移学习": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1057",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "BiLSTM-Attention": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1058",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "生成对抗网络GAN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1059",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经网络参数保存": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1060",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经网络性能评价": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1061",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1321",
+                            "children": [],
+                            "node_id": "python-4-1170",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "坐标轴与刻度的名称": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1171",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "图例和文本标注": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1172",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "显示和保存": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1173",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "matplotlib",
+                        "matplot"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "图形绘制": {
+                      "node_id": "python-3-209",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "曲线图": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1174",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "散点图": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1175",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "直方图": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1176",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "饼图": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1177",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "箱线图": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1178",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "matplotlib",
+                        "matplot"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "风格和样式": {
+                      "node_id": "python-3-210",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "画布设置": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1181",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "子图布局": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1182",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "PyTorch": {
+                          "颜色": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "PyTorch基础知识": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1062",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Tensor": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1063",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Variable": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1064",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "定义Layer": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1065",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "可视化": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1066",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "CNN(TextCNN)": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1067",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "RNN(GRU/LSTM)": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1068",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Autoencoder": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1069",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "GNN/GCN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1070",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "迁移学习": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1071",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "生成对抗网络GAN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1072",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经网络参数保存": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1073",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "神经网络性能评价": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1074",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1322",
+                            "children": [],
+                            "node_id": "python-4-1183",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "强化学习": {
+                          "线条和点的样式": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "强化学习概念": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1075",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Q-Learning": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1076",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Sarsa": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1077",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "DQN(Deep Q Network)": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1078",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Policy Gradients": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1079",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Actor Critic": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1080",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1323",
+                            "children": [],
+                            "node_id": "python-4-1184",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "matplotlib",
+                        "matplot"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  }
+                ],
+                "keywords_must": [],
+                "keywords_forbid": []
+              }
+            },
+            {
+              "科学计算工具包SciPy": {
+                "node_id": "python-2-13",
+                "keywords": [],
+                "children": [
+                  {
+                    "SciPy概览": {
+                      "node_id": "python-3-212",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [
+                        "scipy"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "安装配置": {
+                      "node_id": "python-3-213",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [
+                        "scipy"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "数据插值": {
+                      "node_id": "python-3-214",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "一维插值": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1192",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "二维插值": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1193",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "离散数据插值到网格": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1194",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         }
                       ],
-                      "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_must": [
+                        "scipy"
+                      ],
+                      "keywords_forbid": []
                     }
                   },
                   {
-                    "计算机视觉": {
-                      "node_id": "python-3-247",
+                    "曲线拟合": {
+                      "node_id": "python-3-215",
                       "keywords": [],
                       "children": [
                         {
-                          "数字图像处理基础": {
+                          "最小二乘法拟合": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "数字图像处理": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1081",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像三要素": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1082",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "像素及图像类型": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1083",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像信号数字转换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1084",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1324",
+                            "children": [],
+                            "node_id": "python-4-1195",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "OpenCV基础": {
+                          "使用curve_fit函数拟合": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "安装配置": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1085",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "OpenCV基础语法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1086",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "几何图形绘制": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1087",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1325",
+                            "children": [],
+                            "node_id": "python-4-1196",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像处理入门": {
+                          "多项式拟合函数": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "读取显示图像": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1088",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "读取修改像素": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1089",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "创建复制保存图像": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1090",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "获取图像属性及通道": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1091",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1326",
+                            "children": [],
+                            "node_id": "python-4-1197",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "scipy"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "傅里叶变换": {
+                      "node_id": "python-3-216",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "时域到频域的转换": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1198",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像算数与逻辑运算": {
+                          "一维傅里叶变换的应用": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "图像加法运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1092",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像减法运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1093",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像与运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1094",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像或运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1095",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像异或运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1096",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像非运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1097",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1327",
+                            "children": [],
+                            "node_id": "python-4-1199",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像几何变换": {
+                          "二维傅里叶变换的应用": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "平移变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1098",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "缩放变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1099",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "旋转变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1100",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "镜像变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1101",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "仿射变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1102",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "透视变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1103",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1328",
+                            "children": [],
+                            "node_id": "python-4-1200",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "scipy"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "图像处理": {
+                      "node_id": "python-3-217",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "图像卷积": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1201",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "边缘检测": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1202",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像量化与采样": {
+                          "侵蚀和膨胀": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "图像量化处理": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1104",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像采样处理": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1105",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像金字塔": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1106",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "局部马赛克处理": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1107",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1329",
+                            "children": [],
+                            "node_id": "python-4-1203",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "直方图统计": {
+                          "图像测量": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "直方图概述": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1108",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "直方图绘制": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1109",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "掩膜直方图": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1110",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "H-S直方图": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1111",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "直方图对比": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1112",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1330",
+                            "children": [],
+                            "node_id": "python-4-1204",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [
+                        "scipy"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "积分": {
+                      "node_id": "python-3-218",
+                      "keywords": [],
+                      "children": [
                         {
-                          "图像增强": {
+                          "对给定函数的定积分": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "图像增强": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1113",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "直方图均衡化": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1114",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "局部直方图均衡化": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1115",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "自动色彩均衡化": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1116",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像去雾": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1117",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1331",
+                            "children": [],
+                            "node_id": "python-4-1205",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像平滑": {
+                          "对给定样本的定积分": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "图像平滑概述": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1118",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "均值滤波": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1119",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "方框滤波": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1120",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "高斯滤波": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1121",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "中值滤波": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1122",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "双边滤波": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1123",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1332",
+                            "children": [],
+                            "node_id": "python-4-1206",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像锐化及边缘检测": {
+                          "二重定积分": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "一阶微分算法、二阶微分算子": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1124",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Roberts算子": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1125",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Prewitt算子": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1126",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Sobel算子": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1127",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Laplacian算子": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1128",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Scharr算子": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1129",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Canny算子": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1130",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "LOG算子": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1131",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1333",
+                            "children": [],
+                            "node_id": "python-4-1207",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "非线性方程求解": {
+                      "node_id": "python-3-219",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "非线性方程": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1208",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "非线性方程组": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1209",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "线性代数": {
+                      "node_id": "python-3-220",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "计算矩阵的行列式": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1210",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像形态学处理": {
+                          "求解逆矩阵": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "图像腐蚀": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1132",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像膨胀": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1133",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像开运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1134",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像闭运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1135",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像梯度运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1136",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像顶帽运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1137",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像底帽运算": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1138",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1334",
+                            "children": [],
+                            "node_id": "python-4-1211",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像分割": {
+                          "计算特征向量和特征值": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "基于阈值的图像分割": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1139",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "基于边缘检测的图像分割": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1140",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "基于纹理背景的图像分割": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1141",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "基于K-Means聚类的区域分割": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1142",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "基于均值漂移算法的图像分割": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1143",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "基于分水岭算法的图像分割": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1144",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像漫水填充分割": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1145",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "文字区域分割及定位": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1146",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1335",
+                            "children": [],
+                            "node_id": "python-4-1212",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "傅里叶变换": {
+                          "矩阵的奇异值分解": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "傅里叶变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1147",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "傅里叶逆变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1148",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "高通滤波器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1149",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "低通滤波器": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1150",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1336",
+                            "children": [],
+                            "node_id": "python-4-1213",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "霍夫变换": {
+                          "求解线性方程组": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "霍夫变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1151",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "霍夫线变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1152",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "霍夫圆变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1153",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1337",
+                            "children": [],
+                            "node_id": "python-4-1214",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "聚类": {
+                      "node_id": "python-3-221",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "k-means聚类": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1215",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "层次聚类": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1216",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "空间计算": {
+                      "node_id": "python-3-222",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "空间旋转的表述": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1217",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像特效处理": {
+                          "三维旋转": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1218",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  }
+                ],
+                "keywords_must": [],
+                "keywords_forbid": []
+              }
+            },
+            {
+              "数据分析": {
+                "node_id": "python-2-14",
+                "keywords": [],
+                "children": [
+                  {
+                    "CSV文件": {
+                      "node_id": "python-3-224",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "筛选特定的行": {
                             "keywords": [],
                             "children": [
                               {
-                                "图像毛玻璃特效": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1154",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像浮雕特效": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1155",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像素描特效": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1156",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像怀旧特效": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1157",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像流年特效": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1158",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "图像滤镜特效": {
+                                "行中的值满足某个条件": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1159",
+                                  "node_id": "python-5-814",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "图像水波特效": {
+                                "行中的值属于某个集合": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1160",
+                                  "node_id": "python-5-815",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "图像卡通特效": {
+                                "行中的值匹配于某个模式/ 正则表达式": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1161",
+                                  "node_id": "python-5-816",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1338",
+                            "node_id": "python-4-1227",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "图像分类": {
+                          "选取特定的列": {
                             "keywords": [],
                             "children": [
                               {
-                                "图像分类概述": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1162",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "基于机器学习的图像分类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1163",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "基于深度学习的图像分类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1164",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "LeNet": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1165",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "VGG": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1166",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "AlexNet": {
+                                "列索引值": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1167",
+                                  "node_id": "python-5-817",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "ResNet": {
+                                "列标题": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1168",
+                                  "node_id": "python-5-818",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1339",
+                            "node_id": "python-4-1228",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "人脸识别": {
+                          "选取连续的行": {
                             "keywords": [],
                             "children": [],
-                            "node_id": "python-4-1340",
+                            "node_id": "python-4-1229",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "目标检测": {
+                          "添加标题行": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "目标检测概述": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1169",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "RCNN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1170",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Fast-RCNN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1171",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "SPPNet": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1172",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Mask-RCNN": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1173",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "SSD": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1174",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "YOLO系列算法": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1175",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1341",
+                            "children": [],
+                            "node_id": "python-4-1230",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "深度神经网络概述": {
+                          "读取多个CSV文件": {
                             "keywords": [],
-                            "children": [
-                              {
-                                "创建神经网络块": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1176",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "TensorFlow介绍": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1177",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "MNIST数据集介绍": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1178",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "Keras深度学习库概述": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1179",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "基于Keras和MNIST的手写数字识别": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "训练和测试数据的检索": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-178",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "训练数据的可视化": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-179",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "创建神经网络": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-180",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "训练神经网络": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-181",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "测试": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-182",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1180",
+                            "children": [],
+                            "node_id": "python-4-1231",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "csv"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "Excel文件": {
+                      "node_id": "python-3-225",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "内省Excel工作簿": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1234",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "处理单个工作表": {
+                            "keywords": [],
+                            "children": [
+                              {
+                                "读写Excel文件": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-819",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "筛选特定行": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-820",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "理解反向传播": {
+                                "选取特定列": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1181",
+                                  "node_id": "python-5-821",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1342",
+                            "node_id": "python-4-1235",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "卷积神经网络介绍": {
+                          "读取工作簿中的所有工作表": {
                             "keywords": [],
                             "children": [
                               {
-                                "CNN历史": {
+                                "在所有工作表中筛选特定行": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1182",
+                                  "node_id": "python-5-822",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "卷积神经网络": {
+                                "在所有工作表中选取特定列": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "计算机如何解释图像": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-183",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "编码实现图像可视化": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-184",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "dropout": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-185",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "输入层": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-186",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "卷积层": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-187",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "池化层": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-188",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1183",
+                                  "children": [],
+                                  "node_id": "python-5-823",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1343",
+                            "node_id": "python-4-1236",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "在Excel工作簿中读取一组工作表": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1237",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "构建CNN并进行性能优化": {
+                          "处理多个工作簿": {
                             "keywords": [],
                             "children": [
                               {
-                                "CNN架构和DNN的缺点": {
+                                "工作表计数以及每个工作表中的行列计数": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "卷积操作": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-189",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "池化、步长和填充操作": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-190",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1184",
+                                  "children": [],
+                                  "node_id": "python-5-824",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "TensorFlow中的卷积和池化操作": {
+                                "从多个工作簿中连接数据": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "在TensorFlow中应用池化操作": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-191",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "TensorFlow中的卷积操作": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-192",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1185",
+                                  "children": [],
+                                  "node_id": "python-5-825",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              },
+                              }
+                            ],
+                            "node_id": "python-4-1238",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [
+                        "excel"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "时间序列": {
+                      "node_id": "python-3-241",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "包含趋势的序列分析": {
+                            "keywords": [],
+                            "children": [
                               {
-                                "训练CNN": {
+                                "曲线拟合": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "初始化权重和偏置": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-193",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "正则化": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-194",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "激活函数": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-195",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1186",
+                                  "children": [],
+                                  "node_id": "python-5-1324",
                                   "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "模型性能优化": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "隐含层数量": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-196",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "每个隐含层的神经元个数": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-197",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "批标准化": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-198",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "高级正则化及过拟合的避免": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-199",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "运用哪个优化器": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-200",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "内存调优": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-201",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "层的位置调优": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-202",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "综合所有操作创建第二个CNN": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-203",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "数据集描述和预处理": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-204",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "创建CNN模型": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-205",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1187",
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "从时间序列中去除趋势": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1325",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1344",
+                            "node_id": "python-4-1403",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "包含周期性的序列数据分析": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1404",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "经典的CNN模型架构": {
+                          "平稳时间序列": {
                             "keywords": [],
                             "children": [
                               {
-                                "ImageNet介绍": {
+                                "平稳过程": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1188",
+                                  "node_id": "python-5-1328",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "AlexNet架构": {
+                                "自相关和相关图": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1189",
+                                  "node_id": "python-5-1329",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "VGGNet架构": {
+                                "自协方差和自相关函数的估计": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1330",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              }
+                            ],
+                            "node_id": "python-4-1406",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "混合ARMA模型": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1408",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "集成ARMA模型": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1409",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  }
+                ],
+                "keywords_must": [],
+                "keywords_forbid": []
+              }
+            },
+            {
+              "人工智能": {
+                "node_id": "python-2-15",
+                "keywords": [],
+                "children": [
+                  {
+                    "机器学习工具包Scikit-learn": {
+                      "node_id": "python-3-245",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "Scikit-learn分类Classification": {
+                            "keywords": [],
+                            "children": [
+                              {
+                                "K-近邻分类": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1190",
+                                  "node_id": "python-5-989",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "GoogLeNet架构": {
+                                "贝叶斯分类": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "架构洞察": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-206",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "inception模块": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-207",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1191",
+                                  "children": [],
+                                  "node_id": "python-5-990",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "ResNet架构": {
+                                "决策树分类": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1192",
+                                  "node_id": "python-5-991",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-1345",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "转移学习": {
-                            "keywords": [],
-                            "children": [
+                              },
                               {
-                                "特征提取方法": {
+                                "支持向量机分类": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "目标数据集较小且与原始训练集相似": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-208",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "目标数据集较小且与原始训练集不同": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-209",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "目标数据集很大且与原始训练集相似": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-210",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "目标数据集很大且与原始训练集不同": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-211",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1193",
+                                  "children": [],
+                                  "node_id": "python-5-992",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "随机森林分类": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-993",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "转移学习示例": {
+                                "集成学习Bagging/Boosting": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1194",
+                                  "node_id": "python-5-994",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "多任务学习": {
+                                "神经网络模型": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1195",
+                                  "node_id": "python-5-995",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1346",
+                            "node_id": "python-4-1312",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "CNN自编码器": {
+                          "Scikit-learn回归Regression": {
                             "keywords": [],
                             "children": [
                               {
-                                "自编码器介绍": {
+                                "线性回归": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-996",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "Lasso回归": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-997",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "支持向量机回归": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-998",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "K-近邻回归": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-999",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "决策树回归": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1196",
+                                  "node_id": "python-5-1000",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "卷积自编码器": {
+                                "随机森林回归": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1197",
+                                  "node_id": "python-5-1001",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "应用": {
+                                "逻辑回归": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1198",
+                                  "node_id": "python-5-1002",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1347",
+                            "node_id": "python-4-1313",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "GAN：使用CNN生成新图像": {
+                          "Scikit-learn聚类Clustering": {
                             "keywords": [],
                             "children": [
                               {
-                                "Pix2pix：基于GAN的图像翻译": {
+                                "K-Means聚类": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "CycleGAN": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-212",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "训练GAN模型": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-213",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1199",
+                                  "children": [],
+                                  "node_id": "python-5-1003",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "GAN的代码示例": {
+                                "均值漂移聚类": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "计算损失": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-214",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "半监督学习和GAN": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-215",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1200",
+                                  "children": [],
+                                  "node_id": "python-5-1004",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "特征匹配": {
+                                "基于密度的空间聚类": {
                                   "keywords": [],
-                                  "children": [
-                                    {
-                                      "基于半监督分类的GAN示例": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-216",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "深度卷积GAN": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-217",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1201",
+                                  "children": [],
+                                  "node_id": "python-5-1005",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-1348",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "CNN和视觉模型的注意力机制": {
-                            "keywords": [],
-                            "children": [
+                              },
                               {
-                                "图像描述中的注意力机制": {
+                                "谱聚类": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1202",
+                                  "node_id": "python-5-1006",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "注意力类型": {
+                                "层次聚类": {
                                   "keywords": [],
                                   "children": [
                                     {
-                                      "硬注意力": {
+                                      "自下而上的方法": {
                                         "keywords": [],
                                         "children": [],
-                                        "node_id": "python-6-218",
+                                        "node_id": "python-6-174",
                                         "keywords_must": [],
                                         "keywords_forbid": []
                                       }
                                     },
                                     {
-                                      "软注意力": {
+                                      "聚类之间的距离": {
                                         "keywords": [],
                                         "children": [],
-                                        "node_id": "python-6-219",
+                                        "node_id": "python-6-175",
                                         "keywords_must": [],
                                         "keywords_forbid": []
                                       }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1203",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "运用注意力改善视觉模型": {
-                                  "keywords": [],
-                                  "children": [
+                                    },
                                     {
-                                      "视觉CNN模型次优性能的原因": {
+                                      "自上而下的方法": {
                                         "keywords": [],
                                         "children": [],
-                                        "node_id": "python-6-220",
+                                        "node_id": "python-6-176",
                                         "keywords_must": [],
                                         "keywords_forbid": []
                                       }
                                     },
                                     {
-                                      "循环视觉注意力模型": {
+                                      "图论方法": {
                                         "keywords": [],
                                         "children": [],
-                                        "node_id": "python-6-221",
+                                        "node_id": "python-6-177",
                                         "keywords_must": [],
                                         "keywords_forbid": []
                                       }
                                     }
                                   ],
-                                  "node_id": "python-5-1204",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "参考文献": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1205",
+                                  "node_id": "python-5-1007",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1349",
+                            "node_id": "python-4-1314",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        }
-                      ],
-                      "keywords_must": [
-                        "计算机视觉",
-                        "CV",
-                        "computer vision"
-                      ],
-                      "keywords_forbid": [],
-                      "group": 0
-                    }
-                  },
-                  {
-                    "自然语言处理": {
-                      "node_id": "python-3-248",
-                      "keywords": [],
-                      "children": [
+                        },
                         {
-                          "自然语言处理概览": {
+                          "Scikit-learn成分分解与降维": {
                             "keywords": [],
                             "children": [
                               {
-                                "自然语言处理的基本概念": {
+                                "主成分分析": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1008",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "因子分析": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1206",
+                                  "node_id": "python-5-1009",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "自然语言处理的面临困难": {
+                                "截断奇异值分解": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1207",
+                                  "node_id": "python-5-1010",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "自然语言处理的研究现状": {
+                                "独立成分分析ICA（Independent Component Analysis）": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1208",
+                                  "node_id": "python-5-1011",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1350",
+                            "node_id": "python-4-1315",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "预备知识": {
+                          "Scikit-learn模型评估与参数调优": {
                             "keywords": [],
                             "children": [
                               {
-                                "概率论基础知识": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1209",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "最大似然估计": {
+                                "估计器得分": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1210",
+                                  "node_id": "python-5-1012",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "隐马尔可夫模型": {
+                                "交叉验证": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1211",
+                                  "node_id": "python-5-1013",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "贝叶斯网络": {
+                                "评价指标": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1212",
+                                  "node_id": "python-5-1014",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "条件概率分布": {
+                                "参数调优": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1213",
+                                  "node_id": "python-5-1015",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "信息论基础知识": {
+                                "模型持久化": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1214",
+                                  "node_id": "python-5-1016",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              },
+                              }
+                            ],
+                            "node_id": "python-4-1316",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "深度学习": {
+                      "node_id": "python-3-246",
+                      "keywords": [],
+                      "children": [
+                        {
+                          "神经网络基础知识": {
+                            "keywords": [],
+                            "children": [
                               {
-                                "熵": {
+                                "人工智能发展历史": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1215",
+                                  "node_id": "python-5-1017",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "困惑度": {
+                                "神经元": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1216",
+                                  "node_id": "python-5-1018",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "互信息": {
+                                "BP神经网络": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1217",
+                                  "node_id": "python-5-1019",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "神经网络基础知识": {
+                                "梯度下降": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1218",
+                                  "node_id": "python-5-1020",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "CRF": {
+                                "激励函数": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1219",
+                                  "node_id": "python-5-1021",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "BiLSTM+Attention": {
+                                "过拟合、欠拟合": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1220",
+                                  "node_id": "python-5-1022",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "迁移学习": {
+                                "优化器Optimizer": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1221",
+                                  "node_id": "python-5-1023",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "常用语料库和知识库": {
+                                "常用开发工具": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1222",
+                                  "node_id": "python-5-1024",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1351",
+                            "node_id": "python-4-1317",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "jieba": {
+                          "TensorFlow": {
                             "keywords": [],
                             "children": [
                               {
-                                "jieba概述": {
+                                "TensorFlow基础知识": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1223",
+                                  "node_id": "python-5-1036",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "jieba分词": {
+                                "Tensor": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1224",
+                                  "node_id": "python-5-1037",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "jieba添加自定义词典": {
+                                "Session": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1225",
+                                  "node_id": "python-5-1038",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "jieba词性标注": {
+                                "Variable": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1226",
+                                  "node_id": "python-5-1039",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "jieba关键词抽取": {
+                                "Placeholder": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1227",
+                                  "node_id": "python-5-1040",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-1352",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "nltk": {
-                            "keywords": [],
-                            "children": [
+                              },
                               {
-                                "nltk概述": {
+                                "Dropout": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1228",
+                                  "node_id": "python-5-1041",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "nltk字符串处理": {
+                                "Tensorboard": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1229",
+                                  "node_id": "python-5-1042",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "nltk词性标注": {
+                                "CNN": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1230",
+                                  "node_id": "python-5-1043",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "nltk词干提取": {
+                                "RNN(GRU/LSTM)": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1231",
+                                  "node_id": "python-5-1044",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "nltk命名实体识别": {
+                                "Autoencoder": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1232",
+                                  "node_id": "python-5-1045",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "nltk分块处理": {
+                                "GNN": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1233",
+                                  "node_id": "python-5-1046",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "nltk文本分类": {
+                                "神经网络参数保存": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1234",
+                                  "node_id": "python-5-1047",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "nltk情感分析": {
+                                "神经网络性能评价": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1235",
+                                  "node_id": "python-5-1048",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1353",
+                            "node_id": "python-4-1320",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "Genism": {
+                          "Keras": {
                             "keywords": [],
                             "children": [
                               {
-                                "TF-IDF": {
+                                "Keras基础语法": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1236",
+                                  "node_id": "python-5-1049",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "similarities": {
+                                "兼容Backend": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1237",
+                                  "node_id": "python-5-1050",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "LSA": {
+                                "函数模型和序列模型": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1238",
+                                  "node_id": "python-5-1051",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "LDA": {
+                                "定义Layer": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1239",
+                                  "node_id": "python-5-1052",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "Word2vec": {
+                                "CNN": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1240",
+                                  "node_id": "python-5-1053",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-1354",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "词法分析": {
-                            "keywords": [],
-                            "children": [
+                              },
                               {
-                                "分词(英文分词/中文分词)": {
+                                "RNN(GRU/LSTM)": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1241",
+                                  "node_id": "python-5-1054",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "词干提取": {
+                                "Autoencoder": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1242",
+                                  "node_id": "python-5-1055",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "词形还原": {
+                                "GNN": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1243",
+                                  "node_id": "python-5-1056",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "词性标注": {
+                                "迁移学习": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1244",
+                                  "node_id": "python-5-1057",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "命名实体识别": {
+                                "BiLSTM-Attention": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1245",
+                                  "node_id": "python-5-1058",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-1355",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "句法分析": {
-                            "keywords": [],
-                            "children": [
+                              },
+                              {
+                                "生成对抗网络GAN": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1059",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
                               {
-                                "短语结构分析": {
+                                "神经网络参数保存": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1246",
+                                  "node_id": "python-5-1060",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "依存句法分析": {
+                                "神经网络性能评价": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1247",
+                                  "node_id": "python-5-1061",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1356",
+                            "node_id": "python-4-1321",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "语义分析": {
+                          "PyTorch": {
                             "keywords": [],
                             "children": [
                               {
-                                "命名实体消歧": {
+                                "PyTorch基础知识": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1248",
+                                  "node_id": "python-5-1062",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "指代消解": {
+                                "Tensor": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1249",
+                                  "node_id": "python-5-1063",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "语义角色标注": {
+                                "Variable": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1250",
+                                  "node_id": "python-5-1064",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "语义关系抽取": {
+                                "定义Layer": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1251",
+                                  "node_id": "python-5-1065",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "语义依存分析": {
+                                "可视化": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1252",
+                                  "node_id": "python-5-1066",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "抽象语义表示": {
+                                "CNN(TextCNN)": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1253",
+                                  "node_id": "python-5-1067",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-1357",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "词嵌入": {
-                            "keywords": [],
-                            "children": [
+                              },
                               {
-                                "Word2Vec": {
+                                "RNN(GRU/LSTM)": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1254",
+                                  "node_id": "python-5-1068",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "GloVe": {
+                                "Autoencoder": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1255",
+                                  "node_id": "python-5-1069",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "fastText": {
+                                "GNN/GCN": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1256",
+                                  "node_id": "python-5-1070",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "ELMo": {
+                                "迁移学习": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1257",
+                                  "node_id": "python-5-1071",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "BERT": {
+                                "生成对抗网络GAN": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1258",
+                                  "node_id": "python-5-1072",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "XLNet": {
+                                "神经网络参数保存": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1259",
+                                  "node_id": "python-5-1073",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "神经网络性能评价": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1074",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1358",
+                            "node_id": "python-4-1322",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "文本挖掘": {
+                          "强化学习": {
                             "keywords": [],
                             "children": [
                               {
-                                "文本相似度计算": {
+                                "强化学习概念": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1260",
+                                  "node_id": "python-5-1075",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "文本聚类": {
+                                "Q-Learning": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1261",
+                                  "node_id": "python-5-1076",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "文本分类": {
+                                "Sarsa": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1262",
+                                  "node_id": "python-5-1077",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "文本摘要": {
+                                "DQN(Deep Q Network)": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1263",
+                                  "node_id": "python-5-1078",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
-                              }
-                            ],
-                            "node_id": "python-4-1359",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "情感分析": {
-                            "keywords": [],
-                            "children": [
+                              },
                               {
-                                "基于情感词典的情感分析": {
+                                "Policy Gradients": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1264",
+                                  "node_id": "python-5-1079",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "基于深度学习的情感分析": {
+                                "Actor Critic": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1265",
+                                  "node_id": "python-5-1080",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1360",
+                            "node_id": "python-4-1323",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "计算机视觉": {
+                      "node_id": "python-3-247",
+                      "keywords": [],
+                      "children": [
                         {
-                          "主题模型": {
+                          "OpenCV基础": {
                             "keywords": [],
                             "children": [
                               {
-                                "LSA": {
+                                "安装配置": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1266",
+                                  "node_id": "python-5-1085",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "LDA": {
+                                "OpenCV基础语法": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1086",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "几何图形绘制": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1267",
+                                  "node_id": "python-5-1087",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1361",
+                            "node_id": "python-4-1325",
+                            "keywords_must": [],
+                            "keywords_forbid": []
+                          }
+                        },
+                        {
+                          "人脸识别": {
+                            "keywords": [],
+                            "children": [],
+                            "node_id": "python-4-1340",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "机器翻译": {
+                          "目标检测": {
                             "keywords": [],
                             "children": [
                               {
-                                "IBM统计翻译模型": {
+                                "目标检测概述": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1169",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "RCNN": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1268",
+                                  "node_id": "python-5-1170",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "短语抽取": {
+                                "Fast-RCNN": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1269",
+                                  "node_id": "python-5-1171",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "语言模型": {
+                                "SPPNet": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1270",
+                                  "node_id": "python-5-1172",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "GNMT": {
+                                "Mask-RCNN": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1271",
+                                  "node_id": "python-5-1173",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "Seq2Seq": {
+                                "SSD": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1272",
+                                  "node_id": "python-5-1174",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "Transformer": {
+                                "YOLO系列算法": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1273",
+                                  "node_id": "python-5-1175",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1362",
+                            "node_id": "python-4-1341",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
+                        }
+                      ],
+                      "keywords_must": [
+                        "计算机视觉",
+                        "CV",
+                        "computer vision"
+                      ],
+                      "keywords_forbid": []
+                    }
+                  },
+                  {
+                    "自然语言处理": {
+                      "node_id": "python-3-248",
+                      "keywords": [],
+                      "children": [
                         {
-                          "语言模型": {
+                          "jieba": {
                             "keywords": [],
                             "children": [
                               {
-                                "n-gram": {
+                                "jieba概述": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1274",
+                                  "node_id": "python-5-1223",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "Pitman-Yor过程模型": {
+                                "jieba分词": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1275",
+                                  "node_id": "python-5-1224",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "AWD-LSTM": {
+                                "jieba添加自定义词典": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1276",
+                                  "node_id": "python-5-1225",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "Transformer-XL": {
+                                "jieba词性标注": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1277",
+                                  "node_id": "python-5-1226",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "Gated CNN": {
+                                "jieba关键词抽取": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1278",
+                                  "node_id": "python-5-1227",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1363",
+                            "node_id": "python-4-1352",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "智能问答": {
+                          "nltk": {
                             "keywords": [],
                             "children": [
                               {
-                                "基于知识的问答": {
+                                "nltk概述": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1228",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "nltk字符串处理": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1229",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "nltk词性标注": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1230",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "nltk词干提取": {
+                                  "keywords": [],
+                                  "children": [],
+                                  "node_id": "python-5-1231",
+                                  "keywords_must": [],
+                                  "keywords_forbid": []
+                                }
+                              },
+                              {
+                                "nltk命名实体识别": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1279",
+                                  "node_id": "python-5-1232",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "基于检索的问答": {
+                                "nltk分块处理": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1280",
+                                  "node_id": "python-5-1233",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "阅读理解": {
+                                "nltk文本分类": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1281",
+                                  "node_id": "python-5-1234",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "完形填空": {
+                                "nltk情感分析": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1282",
+                                  "node_id": "python-5-1235",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1364",
+                            "node_id": "python-4-1353",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "智能对话": {
+                          "Genism": {
                             "keywords": [],
                             "children": [
                               {
-                                "对话行为分类": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1283",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "对话状态跟踪": {
+                                "TF-IDF": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1284",
+                                  "node_id": "python-5-1236",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "检索式聊天机器人": {
+                                "similarities": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1285",
+                                  "node_id": "python-5-1237",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "生成式聊天机器人": {
+                                "LSA": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1286",
+                                  "node_id": "python-5-1238",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "意图识别": {
+                                "LDA": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1287",
+                                  "node_id": "python-5-1239",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "槽填充(Slot Filling)": {
+                                "Word2vec": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1288",
+                                  "node_id": "python-5-1240",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1365",
+                            "node_id": "python-4-1354",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
                         },
                         {
-                          "语音识别": {
+                          "词嵌入": {
                             "keywords": [],
                             "children": [
                               {
-                                "傅里叶变换": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1289",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "声学模型": {
+                                "Word2Vec": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1290",
+                                  "node_id": "python-5-1254",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "隐马尔可夫模型": {
+                                "GloVe": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1291",
+                                  "node_id": "python-5-1255",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "CNN": {
+                                "fastText": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1292",
+                                  "node_id": "python-5-1256",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "LSTM-HMM": {
+                                "ELMo": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1293",
+                                  "node_id": "python-5-1257",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "神经网络语言模型": {
+                                "BERT": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1294",
+                                  "node_id": "python-5-1258",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               },
                               {
-                                "MFCC": {
+                                "XLNet": {
                                   "keywords": [],
                                   "children": [],
-                                  "node_id": "python-5-1295",
+                                  "node_id": "python-5-1259",
                                   "keywords_must": [],
                                   "keywords_forbid": []
                                 }
                               }
                             ],
-                            "node_id": "python-4-1366",
+                            "node_id": "python-4-1358",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
@@ -11539,8 +5819,7 @@
                         "NLP",
                         "natural language processing"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -11548,34 +5827,6 @@
                       "node_id": "python-3-251",
                       "keywords": [],
                       "children": [
-                        {
-                          "使用Python实现降维": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "相关性分析": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1316",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1385",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "使用Python进行分类": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1386",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "决策树": {
                             "keywords": [],
@@ -11632,75 +5883,19 @@
                           }
                         },
                         {
-                          "情绪分析": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1391",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "图像识别": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1392",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "使用Python进行回归": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "最小二乘估计": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1319",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1393",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "分类和回归": {
+                          "使用Python分类和回归": {
                             "keywords": [],
                             "children": [],
                             "node_id": "python-4-1394",
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "使模型高估或低估": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1395",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "处理分类型数据": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-1396",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [],
                       "keywords_forbid": [
                         "无监督"
-                      ],
-                      "group": 0
+                      ]
                     }
                   },
                   {
@@ -11792,14 +5987,12 @@
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 2
+                "keywords_forbid": []
               }
             },
             {
@@ -11976,76 +6169,10 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "自省": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "标识对象类型": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1425",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "模块和软件包": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1426",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "文档字符串": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "描述函数的作用": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-222",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "返回值": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-223",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "包含预期的异常": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-224",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1427",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1434",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -12191,160 +6318,10 @@
                             "keywords_must": [],
                             "keywords_forbid": []
                           }
-                        },
-                        {
-                          "魔术方法": {
-                            "keywords": [],
-                            "children": [
-                              {
-                                "处理成员变量": {
-                                  "keywords": [],
-                                  "children": [],
-                                  "node_id": "python-5-1439",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              },
-                              {
-                                "字符串表示": {
-                                  "keywords": [],
-                                  "children": [
-                                    {
-                                      "字节字符串": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "借助chr和ord进行简单的转换": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-34",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "借助struct模块进行复杂的转换": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-35",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-225",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "文本": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "Unicode": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-36",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "编码": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-37",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-226",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "简单的替换": {
-                                        "keywords": [],
-                                        "children": [],
-                                        "node_id": "python-6-227",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    },
-                                    {
-                                      "格式化": {
-                                        "keywords": [],
-                                        "children": [
-                                          {
-                                            "在对象中查找值": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-38",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "区分字符串类型": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-39",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "标准格式规范": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-40",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "为文本文档制作目录": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-41",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          },
-                                          {
-                                            "自定义格式规范": {
-                                              "keywords": [],
-                                              "children": [],
-                                              "node_id": "python-7-42",
-                                              "keywords_must": [],
-                                              "keywords_forbid": []
-                                            }
-                                          }
-                                        ],
-                                        "node_id": "python-6-228",
-                                        "keywords_must": [],
-                                        "keywords_forbid": []
-                                      }
-                                    }
-                                  ],
-                                  "node_id": "python-5-1440",
-                                  "keywords_must": [],
-                                  "keywords_forbid": []
-                                }
-                              }
-                            ],
-                            "node_id": "python-4-1439",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -12352,24 +6329,6 @@
                       "node_id": "python-3-132",
                       "keywords": [],
                       "children": [
-                        {
-                          "基础概念": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-763",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
-                        {
-                          "加锁和解锁": {
-                            "keywords": [],
-                            "children": [],
-                            "node_id": "python-4-764",
-                            "keywords_must": [],
-                            "keywords_forbid": []
-                          }
-                        },
                         {
                           "threading": {
                             "keywords": [],
@@ -12408,8 +6367,7 @@
                         }
                       ],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -12421,8 +6379,7 @@
                         "pattern matching",
                         "模式匹配"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   },
                   {
@@ -12435,14 +6392,12 @@
                         "代码对象",
                         "code object"
                       ],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 2
+                "keywords_forbid": []
               }
             },
             {
@@ -12456,25 +6411,21 @@
                       "keywords": [],
                       "children": [],
                       "keywords_must": [],
-                      "keywords_forbid": [],
-                      "group": 0
+                      "keywords_forbid": []
                     }
                   }
                 ],
                 "keywords_must": [],
-                "keywords_forbid": [],
-                "group": 2
+                "keywords_forbid": []
               }
             }
           ],
           "keywords_must": [],
-          "keywords_forbid": [],
-          "group": 0
+          "keywords_forbid": []
         }
       }
     ],
     "keywords_must": [],
-    "keywords_forbid": [],
-    "group": 0
+    "keywords_forbid": []
   }
 }
\ No newline at end of file