code: def parse_args():
      """Parses the arguments."""
      parser = argparse.ArgumentParser(
          description="Train a classification model"
      )
      parser.add_argument(
          "--dir",
          dest="dir",
          help="Dir for batch of results",
          required=True,
          type=str,
      )
      parser.add_argument(
          "--metric",
          dest="metric",
          help="metric to select best epoch",
          required=False,
          type=str,
          default="auto",
      )
      return parser.parse_args()
  
label_desc: Use image node_id 1 for calling a global function with example usage: parse_args() and returns: parser