code: def main():
      parser = argparse.ArgumentParser(
          description="PyTorch Translate - preprocessing"
      )
      pytorch_translate_options.add_verbosity_args(parser)
      pytorch_translate_options.add_preprocessing_args(parser)
      args = parser.parse_args()
      pytorch_translate_options.validate_preprocessing_args(args)
      pytorch_translate_options.print_args(args)
      preprocess_corpora(args)
  
imports: import argparse
  import os
  import tempfile
  from typing import Dict, List, Optional
  from pytorch_translate import constants, multilingual_utils, options, utils
  from pytorch_translate.data import char_data, data
  from pytorch_translate.data.dictionary import Dictionary
label_desc: Use image node_id 13 for calling a global function with example usage: main() without return types