code: def parse_args():
      parser = argparse.ArgumentParser(
          description="Initialize DIV2K - bicubic downscaling x4 competition dataset.",
          epilog="Example: python download_dataset.py --download-dir ./",
          formatter_class=argparse.ArgumentDefaultsHelpFormatter,
      )
      parser.add_argument(
          "--download-dir",
          type=str,
          default="./",
          help="dataset directory on disk",
      )
      parser.add_argument(
          "--overwrite",
          action="store_true",
          help="overwrite downloaded files if set, in case they are corrputed",
      )
      parser.add_argument(
          "--file",
          type=str,
          default="DIV2K_train_HR",
          choices=[
              "DIV2K_train_HR",
              "DIV2K_test_LR_bicubic_X4",
              "DIV2K_valid_HR",
              "DIV2K_valid_LR_bicubic_X4",
          ],
      )
      args = parser.parse_args()
      return args
  
imports: import os
  import argparse
  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