bug fixed for node_id conflict

data/1.python初阶/3.进阶语法/6.字符串方法/config.json

@@ -77,7 +77,7 @@
             "join": {
               "keywords": [],
               "children": [],
-              "node_id": "python-4-175",
+              "node_id": "python-de63be85ee81431bb2240d9926cf20f9",
               "keywords_must": [],
               "keywords_forbid": []
             }
@@ -86,7 +86,7 @@
             "replace": {
               "keywords": [],
               "children": [],
-              "node_id": "python-de63be85ee81431bb2240d9926cf20f9",
+              "node_id": "python-4-177",
               "keywords_must": [],
               "keywords_forbid": []
             }