code: def main():
      args = parse_args()
      creator = IndexCreator(args.archive, args.index)
      creator.create_index()
      creator.close()
  
file_path: DALI/tools/wds2idx.py
imports: import argparse
  import os
  import subprocess
  import sys
  import tarfile
  import time
  from shutil import which
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types