code: def _WriteOutputValues(self, output_values):
      
      for index, value in enumerate(output_values):
        if not isinstance(value, py2to3.STRING_TYPES):
          value = ''
        output_values[index] = value.replace(',', ' ')
  
      output_line = ','.join(output_values)
      output_line = '{0:s}\n'.format(output_line)
      self._output_writer.Write(output_line)
docs: Writes values to the output.
  
      Args:
        output_values (list[str]): output values.