code: def serialize(point: Mapping, measurement=None, **extra_tags) -> bytes:
      
      tags = _serialize_tags(point, extra_tags)
      return (
          f'{_serialize_measurement(point, measurement)}'
          f'{"," if tags else ""}{tags} '
          f'{_serialize_fields(point)} '
          f'{_serialize_timestamp(point)}'
      ).encode()
docs: Converts dictionary-like data into a single line protocol line (point)