code: def main():
      parser = argparse.ArgumentParser(
          description='Create waves list from "wav.scp"',
          formatter_class=argparse.ArgumentDefaultsHelpFormatter,
      )
      parser.add_argument(
          "--input",
          "-i",
          type=str,
          help="input transcription file",
      )
      parser.add_argument(
          "--output",
          "-o",
          type=str,
          help="output transcription file",
      )
  
      args = parser.parse_args()
  
      writer = open(args.output, "w", encoding="utf-8")
      for line in open(args.input, encoding="utf-8"):
          for old, new in symbol_map.items():
              line = line.replace(old, new)
          line = (
              " ".join(
                  [
                      w
                      for w in line.strip().split()
                      if not (w.startswith("[") or w.endswith("]"))
                  ]
              )
              + "\n"
          )
          writer.write(line)
  
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types