code: def main(args):
    
    print_in_box('Validating submission ' + args.submission_filename)
    random.seed()
    temp_dir = args.temp_dir
    delete_temp_dir = False
    if not temp_dir:
      temp_dir = tempfile.mkdtemp()
      logging.info('Created temporary directory: %s', temp_dir)
      delete_temp_dir = True
    validator = submission_validator_lib.SubmissionValidator(temp_dir,
                                                             args.use_gpu)
    if validator.validate_submission(args.submission_filename,
                                     args.submission_type):
      print_in_box('Submission is VALID!')
    else:
      print_in_box('Submission is INVALID, see log messages for details')
    if delete_temp_dir:
      logging.info('Deleting temporary directory: %s', temp_dir)
      subprocess.call(['rm', '-rf', temp_dir])
docs: Validates the submission.