code: def _append_date(self, value, _file):  # pylint: disable=no-self-use
          
          _text = value.strftime('%Y-%m-%dT%H:%M:%S.%fZ')
          _labs = ' "{text}"'.format(text=_text)
          _file.write(_labs)
docs: Call this function to write date contents.
  
          Keyword arguments:
              * value - dict, content to be dumped
              * _file - FileIO, output file