code: def format_command(
      command_args,  # type: List[str]
      command_output,  # type: str
  ):
      # type: (...) -> str
      
      text = 'Command arguments: {}\n'.format(command_args)
  
      if not command_output:
          text += 'Command output: None'
      elif logger.getEffectiveLevel() > logging.DEBUG:
          text += 'Command output: [use --verbose to show]'
      else:
          if not command_output.endswith('\n'):
              command_output += '\n'
          text += (
              'Command output:\n{}'
              '-----------------------------------------'
          ).format(command_output)
  
      return text
docs: Format command information for logging.