{
  "export": [
    "list.json",
    "dict.json",
    "panda.json"
  ],
  "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"
            }
          },
          {
            "行中的值属于某个集合": {
              "keywords": [],
              "children": [],
              "node_id": "python-5-815"
            }
          },
          {
            "行中的值匹配于某个模式/ 正则表达式": {
              "keywords": [],
              "children": [],
              "node_id": "python-5-816"
            }
          }
        ],
        "node_id": "python-4-1227"
      }
    },
    {
      "选取特定的列": {
        "keywords": [],
        "children": [
          {
            "列索引值": {
              "keywords": [],
              "children": [],
              "node_id": "python-5-817"
            }
          },
          {
            "列标题": {
              "keywords": [],
              "children": [],
              "node_id": "python-5-818"
            }
          }
        ],
        "node_id": "python-4-1228"
      }
    },
    {
      "选取连续的行": {
        "keywords": [],
        "children": [],
        "node_id": "python-4-1229"
      }
    },
    {
      "添加标题行": {
        "keywords": [],
        "children": [],
        "node_id": "python-4-1230"
      }
    },
    {
      "读取多个CSV文件": {
        "keywords": [],
        "children": [],
        "node_id": "python-4-1231"
      }
    },
    {
      "从多个文件中连接数据": {
        "keywords": [],
        "children": [],
        "node_id": "python-4-1232"
      }
    },
    {
      "计算每个文件中值的总和与均值": {
        "keywords": [],
        "children": [],
        "node_id": "python-4-1233"
      }
    }
  ],
  "node_id": "python-3-224"
}