code: def _write_csv(filepath, data, kwargs):
      
      kwargs_open = {'newline': ''}
      mode = 'w'
      if sys.version_info < (3, 0):
          kwargs_open.pop('newline', None)
          mode = 'wb'
      with open(filepath, mode, **kwargs_open) as fp:
          if 'delimiter' not in kwargs:
              kwargs['delimiter'] = ','
          if 'quotechar' not in kwargs:
              kwargs['quotechar'] = '"'
          with open(filepath, 'w') as fp:
              writer = csv.writer(fp, **kwargs)
              writer.writerows(data)
      return data
docs: See documentation of mpu.io.write.