test.json

[
  {
    "id": "0",
    "type": "import",
    "position": { "x": -157.5, "y": -49 },
    "data": {
      "id": "0",
      "code": "import pandas as pd\ndf = pd.read_csv('moc.csv')",
      "fileData": "x,y,z\r\n2,2,5\r\n0,5,8\r\n6,8,9\r\n6,1,7\r\n8,5,8\r\n6,2,8\r\n",
      "fileName": "moc.csv",
      "cols": ["x", "y", "z"]
    }
  },
  {
    "id": "1",
    "type": "selectcolumnnew",
    "position": { "x": 0, "y": 11.5 },
    "data": {
      "type": "selectcolumnnew",
      "id": "1",
      "cols": ["x"],
      "give": {
        "id": "0",
        "code": "import pandas as pd\ndf = pd.read_csv('moc.csv')",
        "fileData": "x,y,z\r\n2,2,5\r\n0,5,8\r\n6,8,9\r\n6,1,7\r\n8,5,8\r\n6,2,8\r\n",
        "fileName": "moc.csv",
        "cols": ["x", "y", "z"]
      }
    }
  },
  {
    "id": "2",
    "type": "exportnode",
    "position": { "x": -106.5, "y": 150 },
    "data": {
      "type": "exportnode",
      "id": "2",
      "give": {
        "type": "selectcolumnnew",
        "id": "1",
        "cols": ["x"],
        "give": {
          "id": "0",
          "code": "import pandas as pd\ndf = pd.read_csv('moc.csv')",
          "fileData": "x,y,z\r\n2,2,5\r\n0,5,8\r\n6,8,9\r\n6,1,7\r\n8,5,8\r\n6,2,8\r\n",
          "fileName": "moc.csv",
          "cols": ["x", "y", "z"]
        }
      }
    }
  }
]