code: def main():
      
      args = _parse_arg(CountryConverter().valid_class)
      coco = CountryConverter(additional_data=args.additional_data)
      converted_names = coco.convert(
          names=args.names,
          src=args.src,
          to=args.to,
          enforce_list=False,
          not_found=args.not_found)
  
      print(args.output_sep.join(
          [str(etr) for etr in converted_names] if
          isinstance(converted_names, list) else [str(converted_names)]))
docs: Main entry point - used for command line call