code: def _parse_args():
      parser = argparse.ArgumentParser(
          description=__doc__,
          formatter_class=argparse.RawTextHelpFormatter,
      )
      parser.add_argument(
          "--input-file", required=True, help="Input model file."
      )
      parser.add_argument(
          "--output-file", required=False, help="Output model file."
      )
      parser.add_argument(
          "--dict-dir",
          help=(
              "Directory where letter vocabulary file, `dict.ltr.txt`, is found. "
              "Required when loading wav2vec2 model. "
              "https://dl.fbaipublicfiles.com/fairseq/wav2vec/dict.ltr.txt"
          ),
      )
      return parser.parse_args()
  
imports: import argparse
label_desc: Use image node_id 1 for calling a global function with example usage: _parse_args() and returns: parser