code: def main():
      parser = get_parser()
      args = parser.parse_args()
  
      d = kaldiio.load_ark(args.rspecifier)
  
      with file_writer_helper(
          args.wspecifier,
          filetype="mat",
          write_num_frames=args.write_num_frames,
          compress=args.compress,
          compression_method=args.compression_method,
      ) as writer:
          for utt, mat in d:
              writer[utt] = mat
  
imports: import argparse
  from distutils.util import strtobool
  from espnet.utils.cli_writers import file_writer_helper
  from espnet.utils.cli_readers import KaldiReader
  import kaldiio
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types