code: def parse_args():
      parser = argparse.ArgumentParser(
          description="Initialize Market1501 dataset.",
          epilog="Example: python market1501.py",
          formatter_class=argparse.ArgumentDefaultsHelpFormatter,
      )
      parser.add_argument(
          "--download-dir",
          type=str,
          default="~/.mxnet/datasets/",
          help="dataset directory on disk",
      )
      parser.add_argument(
          "--no-download",
          action="store_true",
          help="disable automatic download if set",
      )
      args = parser.parse_args()
      return args
  
file_path: gluon-cv/scripts/datasets/market1501.py
imports: from __future__ import print_function, division
  import json
  import argparse
  from os import walk
  from os import path
  from zipfile import ZipFile
  from gluoncv.utils import download, makedirs
label_desc: Use image node_id 1 for calling a global function with example usage: parse_args() and returns: args