code: def parse_opts():
      parser = argparse.ArgumentParser(
          description="Preparing MINC 2500 Dataset",
          formatter_class=argparse.ArgumentDefaultsHelpFormatter,
      )
      parser.add_argument(
          "--data",
          type=str,
          required=True,
          help="directory for the original data folder",
      )
      parser.add_argument(
          "--split",
          type=int,
          default=1,
          help="an integer in [1, 5] to specify the train/val/test split file",
      )
      opts = parser.parse_args()
      return opts
  
label_desc: Use image node_id 1 for calling a global function with example usage: parse_opts() and returns: opts