code: def get_argument_parser():
      """
      List of arguments supported by the script
      """
      parser = argparse.ArgumentParser()
      parser.add_argument(
          "-i",
          "--input",
          type=str,
          help="Root Directory with images for the UTK-Faces",
      )
      parser.add_argument(
          "-o",
          "--output",
          type=str,
          help="Directory to put images.npy and labels.npy.",
      )
      return parser
  
file_path: vissl/extra_scripts/datasets/create_utk_faces_filelist.py
imports: import argparse
  import os
  from fvcore.common.file_io import PathManager
  from vissl.utils.env import setup_path_manager
  from vissl.utils.io import save_file
label_desc: Use image node_id 1 for calling a global function with example usage: get_argument_parser() and returns: parser