code: def _EncodeString(self, string):
      
      try:
        # Note that encode() will first convert string into a Unicode string
        # if necessary.
        encoded_string = string.encode(self._encoding, errors=self._errors)
      except UnicodeEncodeError:
        if self._errors == 'strict':
          logging.error(
              'Unable to properly write output due to encoding error. '
              'Switching to error tolerant encoding which can result in '
              'non Basic Latin (C0) characters to be replaced with "?" or '
              '"\\ufffd".')
          self._errors = 'replace'
  
        encoded_string = string.encode(self._encoding, errors=self._errors)
  
      return encoded_string
docs: Encodes the string.
  
      Args:
        string (str): string to encode.
  
      Returns:
        bytes: encoded string.