code: def get_args():
      parser = ArgumentParser()
      parser.add_argument("text", type=str, help="text file")
      parser.add_argument(
          "--filter",
          type=str,
          help="Line filter, such as '[EN]'",
          default=None,
      )
      return parser.parse_args()
  
label_desc: Use image node_id 1 for calling a global function with example usage: get_args() and returns: parser