code: def _save_check_mark(path: str, marks: dict):
      with open(path, "w") as f:
          json.dump(marks, f)
  
file_path: dgl/examples/pytorch/gxn/data_preprocess.py
imports: import json
  import logging
  import os
  import sys
  import numpy
  import torch
  from dgl.data import LegacyTUDataset
label_desc: Use image node_id 2 for calling a global function with example usage: _save_check_mark(path, marks) without return types