code: def main(cmd=None):
      parser = get_parser()
      args = parser.parse_args(cmd)
      kwargs = vars(args)
      prepare(**kwargs)
  
file_path: espnet/egs2/dirha_wsj/asr1/local/prepare_dirha_noise.py
imports: import argparse
  from pathlib import Path
  from typing import Optional
  import numpy
  import resampy
  import soundfile
label_desc: Use image node_id 3 for calling a global function with example usage: main(cmd) without return types