code: def main(json_file, py_files):
      doc_items = parse_json(json_file)
      for py_file in py_files:
          process_file(py_file, doc_items)
  
imports: import ast
  import json
  import re
  import argparse
  import textwrap
  import os
  from collections import defaultdict
label_desc: Use image node_id 13 for calling a global function with example usage: main(json_file, py_files) without return types