tree.json

{
  "python": {
    "node_id": "python-0-0",
    "keywords": [],
    "children": [
      {
        "python初阶": {
          "node_id": "python-1-0",
          "keywords": [],
          "children": [
            {
              "预备知识": {
                "node_id": "python-2-0",
                "keywords": [],
                "children": [
                  {
                    "Python简介": {
                      "node_id": "python-3-0",
                      "keywords": [
                        "Python简介"
                      ],
                      "children": [
                        {
                          "Python都能做什么": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-0",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "python起源和发展": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-insert-2",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "python语言特点": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-insert-3",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [
                        "python"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "程序设计思想": {
                      "node_id": "python-3-1",
                      "keywords": [
                        "程序设计思想"
                      ],
                      "children": [],
                      "keywords_must": [
                        "python"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "安装Python": {
                      "node_id": "python-3-2",
                      "keywords": [
                        "安装"
                      ],
                      "children": [
                        {
                          "Windows安装Python": {
                            "keywords": [
                              "Windows"
                            ],
                            "children": [],
                            "node_id": "python-4-1",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "Linux安装Python": {
                            "keywords": [
                              "Linux"
                            ],
                            "children": [],
                            "node_id": "python-4-2",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "MacOS安装Python": {
                            "keywords": [
                              "MacOS"
                            ],
                            "children": [],
                            "node_id": "python-4-3",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [
                        [
                          "python",
                          "安装",
                          "windows"
                        ],
                        [
                          "python",
                          "安装",
                          "mac"
                        ],
                        [
                          "python",
                          "安装",
                          "linux"
                        ],
                        [
                          "python",
                          "安装",
                          "ubuntu"
                        ],
                        [
                          "python",
                          "安装",
                          "debian"
                        ]
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "运行方式": {
                      "node_id": "python-3-3",
                      "keywords": [],
                      "children": [
                        {
                          "以交互方式运行": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-4",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "以脚本方式运行": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-5",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [
                        "python"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "常用开发工具": {
                      "node_id": "python-3-4",
                      "keywords": [],
                      "children": [
                        {
                          "使用PyCharm开发Python": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-insert-0",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "使用VSCode开发Python": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-insert-1",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [
                        "python"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "编码规范": {
                      "node_id": "python-3-5",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [
                        "python",
                        "PEP8"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "模块管理": {
                      "node_id": "python-3-6",
                      "keywords": [],
                      "children": [
                        {
                          "pip": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-22",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  }
                ],
                "keywords_must": [],
                "keywords_forbid": []
              }
            },
            {
              "基础语法": {
                "node_id": "python-2-1",
                "keywords": [],
                "children": [
                  {
                    "缩进规则": {
                      "node_id": "python-3-7",
                      "keywords": [],
                      "children": [
                        {
                          "建议使用4个空格": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-23",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "基础知识": {
                      "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": [],
                            "children": [
                              {
                                "捕获异常": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1361",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "异常链": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1362",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "当一切顺利的时候": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1363",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "继续执行，无论异常如何": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1364",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "优化循环": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1365",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "with语句": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1366",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "条件表达式": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1367",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1424",
                            "keywords_must": [],
                            "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": [],
                            "children": [
                              {
                                "集合": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1375",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "命名元组": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1376",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "有序字典": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1377",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "带有默认值的字典": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1378",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1426",
                            "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": []
                          }
                        }
                      ],
                      "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": []
                          }
                        },
                        {
                          "参数var": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-39",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "返回值return": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-40",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "参数传递": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-41",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "函数调用": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-42",
                            "keywords_must": [],
                            "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": [],
                            "children": [
                              {
                                "局部变量不能在全局作用域内使用": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-25",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "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-5-26",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "全局变量可以在局部作用域中读取": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-27",
                                  "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": [
                              {
                                "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": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "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": {
                            "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": []
                          }
                        }
                      ],
                      "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": [
                        {
                          "if": {
                            "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": []
                                }
                              }
                            ],
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "循环": {
                      "node_id": "python-3-13",
                      "keywords": [],
                      "children": [
                        {
                          "for": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-109",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "while": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-110",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "break": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-111",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "continue": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-112",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "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-4-118",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "浮点型": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-119",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "布尔型": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-120",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "字符串": {
                            "keywords": [],
                            "children": [
                              {
                                "单引号字符串以及对引号转义": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-72",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "拼接字符串": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-73",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "字符串表示str和repr": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-74",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "长字符串、原始字符串和字节": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-75",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "字符串基本操作": {
                                  "keywords": [],
                                  "children": [],
                                  "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": []
                                }
                              },
                              {
                                "使用方法修改字符串的大小写": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-78",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "使用制表符或换行符来添加空白": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-79",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "删除空白": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-80",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "使用字符串时避免语法错误": {
                                  "keywords": [],
                                  "children": [],
                                  "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-4-121",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "内置类": {
                      "node_id": "python-3-15",
                      "keywords": [],
                      "children": [
                        {
                          "列表：list": {
                            "keywords": [],
                            "children": [
                              {
                                "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": [
                                          {
                                            "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": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-88",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "引用": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-89",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "访问列表元素": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-90",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "索引从0而不是1开始": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-91",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "使用列表中的各个值": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-92",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "遍历切片": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-93",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "复制列表": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-94",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "列表的创建和删除": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-95",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "对列表进行统计计算": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-96",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "对列表进行排序": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-97",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-137",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "字典：dict": {
                            "keywords": [],
                            "children": [
                              {
                                "访问字典中的值": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-98",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "添加键值对": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-99",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "先创建一个空字典": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-100",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "修改字典中的值": {
                                  "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",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "访问字典": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-106",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "字典推导式": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-107",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-138",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "元组：tuple": {
                            "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": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-111",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "修改元组": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-112",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "元组推导式": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-113",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-139",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "集合：set": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "常用内置函数": {
                      "node_id": "python-3-16",
                      "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": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "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": []
                    }
                  },
                  {
                    "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": [
                        {
                          "try-catch-finally": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-171",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "异常捕获": {
                            "keywords": [],
                            "children": [],
                            "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": [
                        {
                          "find": {
                            "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": [],
                            "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": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "center": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-182",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "lambda函数": {
                      "node_id": "python-3-23",
                      "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": [],
                            "children": [],
                            "node_id": "python-4-187",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "文件": {
                      "node_id": "python-3-24",
                      "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": []
                          }
                        },
                        {
                          "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": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "常用标准库": {
                      "node_id": "python-3-25",
                      "keywords": [],
                      "children": [
                        {
                          "datetime": {
                            "keywords": [],
                            "children": [],
                            "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": [],
                            "children": [],
                            "node_id": "python-4-195",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "random": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-196",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "re": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-197",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "sys": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-198",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "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": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-201",
                            "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": [
                              {
                                "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",
                            "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/csv/hdf/netCDF": {
                            "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": [
                        {
                          "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": [],
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "MySQL": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "MongoDB": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-760",
                            "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": [
                              {
                                "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "TCP编程": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "UDP编程": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [
                        "网络编程",
                        "Socket"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "发送邮件": {
                      "node_id": "python-3-135",
                      "keywords": [],
                      "children": [
                        {
                          "smtplib": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-788",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  }
                ],
                "keywords_must": [],
                "keywords_forbid": []
              }
            },
            {
              "Web应用开发": {
                "node_id": "python-2-6",
                "keywords": [],
                "children": [
                  {
                    "Web开发基础知识": {
                      "node_id": "python-3-136",
                      "keywords": [],
                      "children": [
                        {
                          "HTML/HTML5/CSS": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-789",
                            "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": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    " Django": {
                      "node_id": "python-3-137",
                      "keywords": [],
                      "children": [
                        {
                          "Django简介": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-793",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "Django安装配置": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-794",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "DTL(Django Template Language)": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-795",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "Django路由定义": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-796",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "Django请求数据解析": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-797",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "Django数据库操作": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-798",
                            "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": []
                          }
                        }
                      ],
                      "keywords_must": [
                        "django"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    " Tornado": {
                      "node_id": "python-3-138",
                      "keywords": [],
                      "children": [
                        {
                          "Tornado简介": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-816",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "Tornado安装配置": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-817",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "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数据库操作": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-820",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "Tornado异步Web服务": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-821",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "外部服务认证（auth）": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-822",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "部署日志与安全": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-823",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [
                        "tornado"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    " Flask": {
                      "node_id": "python-3-139",
                      "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": [],
                            "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": []
                    }
                  }
                ],
                "keywords_must": [],
                "keywords_forbid": []
              }
            },
            {
              "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "autoscraper": {
                      "node_id": "python-7330398a1359430c9b02244f689203c7",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [
                        "autoscraper"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "selectolax": {
                      "node_id": "python-113824a228cf45f9b4f6e854a992c2f9",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [
                        "selectolax"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "requests-html": {
                      "node_id": "python-7d8a025ed5434ecc84708407e3db6d17",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [
                        "requests-html"
                      ],
                      "keywords_forbid": []
                    }
                  }
                ],
                "keywords_must": [],
                "keywords_forbid": []
              }
            },
            {
              "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  }
                ],
                "keywords_must": [],
                "keywords_forbid": []
              }
            }
          ],
          "keywords_must": [],
          "keywords_forbid": []
        }
      },
      {
        "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": []
                    }
                  },
                  {
                    "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": [
                        {
                          "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  }
                ],
                "keywords_must": [],
                "keywords_forbid": []
              }
            },
            {
              "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  }
                ],
                "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": []
                          }
                        },
                        {
                          "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  }
                ],
                "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": [
                        "scipy"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                          }
                        },
                        {
                          "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": []
                    }
                  },
                  {
                    "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": []
                          }
                        },
                        {
                          "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": [
                              {
                                "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  },
                  {
                    "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": []
                    }
                  }
                ],
                "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "成分分解与降维": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "模型评估与参数调优": {
                            "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",
                            "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": [
                              {
                                "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",
                            "keywords_must": [],
                            "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": [],
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "Keras": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "PyTorch": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "强化学习": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "计算机视觉": {
                      "node_id": "python-3-247",
                      "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": [],
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "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": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "直方图统计": {
                            "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",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "图像增强": {
                            "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",
                            "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",
                            "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": [
                        {
                          "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": [],
                            "children": [
                              {
                                "jieba概述": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1223",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "jieba分词": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1224",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "jieba添加自定义词典": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1225",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "jieba词性标注": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1226",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "jieba关键词抽取": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1227",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1352",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "nltk": {
                            "keywords": [],
                            "children": [
                              {
                                "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-5-1232",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "nltk分块处理": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1233",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "nltk文本分类": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1234",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "nltk情感分析": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1235",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1353",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "Genism": {
                            "keywords": [],
                            "children": [
                              {
                                "TF-IDF": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1236",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "similarities": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1237",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "LSA": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1238",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "LDA": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1239",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "Word2vec": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1240",
                                  "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)": {
                                  "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": [],
                            "children": [
                              {
                                "Word2Vec": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1254",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "GloVe": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1255",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "fastText": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1256",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "ELMo": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1257",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "BERT": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1258",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "XLNet": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1259",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1358",
                            "keywords_must": [],
                            "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": [],
                            "children": [
                              {
                                "知识图谱构建": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1296",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "知识计算": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1297",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "知识存储": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1298",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "知识服务与应用": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1299",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1367",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [
                        "自然语言处理",
                        "NLP",
                        "natural language processing"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "基于Python的监督学习": {
                      "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": [],
                            "children": [
                              {
                                "哪个属性优先": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1317",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "随机森林分类器": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1318",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1387",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "朴素贝叶斯分类器": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-1388",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "支持向量机": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-1389",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "最近邻分类器": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-1390",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "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": {
                            "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"
                      ]
                    }
                  },
                  {
                    "无监督学习—聚类": {
                      "node_id": "python-3-252",
                      "keywords": [],
                      "children": [
                        {
                          "K均值聚类": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-1397",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "选择K—肘部法则": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-1398",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "距离或相似性度量": {
                            "keywords": [],
                            "children": [
                              {
                                "属性": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1320",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "一般及欧氏距离": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1321",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "平方欧氏距离": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1322",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "字符串之间的编辑距离": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1323",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1399",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "文档上下文的相似性": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-1400",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "如何判断聚类结果是否良好": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-1401",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  }
                ],
                "keywords_must": [],
                "keywords_forbid": []
              }
            },
            {
              "高级教程": {
                "node_id": "python-2-16",
                "keywords": [],
                "children": [
                  {
                    "函数": {
                      "node_id": "python-3-257",
                      "keywords": [],
                      "children": [
                        {
                          "参数": {
                            "keywords": [],
                            "children": [
                              {
                                "规划时的灵活性": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1412",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "可变位置参数": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1413",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "可变关键字参数": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1414",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "组合不同类型的参数": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1415",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "调用具有可变参数的函数": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1416",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "传递参数": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1417",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "自省": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1418",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1429",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "装饰器": {
                            "keywords": [],
                            "children": [
                              {
                                "闭包": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1419",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "包装器": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1420",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "带参数的装饰器": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1421",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "带参数或不带参数的装饰器": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1422",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1430",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "函数注解": {
                            "keywords": [],
                            "children": [
                              {
                                "提取样板": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1423",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "用装饰器进行注解": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1424",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1431",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "生成器": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-1432",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "lambda": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-1433",
                            "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": []
                    }
                  },
                  {
                    "类": {
                      "node_id": "python-3-258",
                      "keywords": [],
                      "children": [
                        {
                          "继承": {
                            "keywords": [],
                            "children": [
                              {
                                "多重继承": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1428",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "方法解析顺序": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1429",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "使用super函数将控制权传递给其他类": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1430",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "自省": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1431",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1435",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "如何创建类": {
                            "keywords": [],
                            "children": [
                              {
                                "在运行时创建类": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1432",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "元类": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1433",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "控制命名空间": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1434",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1436",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "成员变量": {
                            "keywords": [],
                            "children": [
                              {
                                "属性": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1435",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "描述器": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1436",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1437",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "方法": {
                            "keywords": [],
                            "children": [
                              {
                                "非绑定方法": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1437",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              },
                              {
                                "绑定方法": {
                                  "keywords": [],
                                  "children": [],
                                  "node_id": "python-5-1438",
                                  "keywords_must": [],
                                  "keywords_forbid": []
                                }
                              }
                            ],
                            "node_id": "python-4-1438",
                            "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": []
                    }
                  },
                  {
                    "线程进程和协程": {
                      "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": [],
                            "children": [],
                            "node_id": "python-4-765",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "multiprocessing": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-766",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "queue": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-767",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        },
                        {
                          "gevent": {
                            "keywords": [],
                            "children": [],
                            "node_id": "python-4-768",
                            "keywords_must": [],
                            "keywords_forbid": []
                          }
                        }
                      ],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "结构化模式匹配": {
                      "node_id": "python-insert-5",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [
                        "pattern matching",
                        "模式匹配"
                      ],
                      "keywords_forbid": []
                    }
                  },
                  {
                    "探索 Python code object": {
                      "node_id": "python-insert-6",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [
                        "codeobject",
                        "代码对象",
                        "code object"
                      ],
                      "keywords_forbid": []
                    }
                  }
                ],
                "keywords_must": [],
                "keywords_forbid": []
              }
            },
            {
              "进阶任务": {
                "node_id": "python-1707b1947cba42d99043449208ce4a03",
                "keywords": [],
                "children": [
                  {
                    "Python问答": {
                      "node_id": "python-c8031e38af1147bfb288090085621a94",
                      "keywords": [],
                      "children": [],
                      "keywords_must": [],
                      "keywords_forbid": []
                    }
                  }
                ],
                "keywords_must": [],
                "keywords_forbid": []
              }
            }
          ],
          "keywords_must": [],
          "keywords_forbid": []
        }
      }
    ],
    "keywords_must": [],
    "keywords_forbid": []
  }
}