def METHOD_NAME(
    pip_id: str,
    tip_length_cal: typing.Dict[str, v1.TipLengthModel],
) -> None:
    """
    Function used to save tip length calibration to file.
    :param pip_id: pipette id to associate with this tip length
    :param tip_length_cal: results of the data created using
           :meth:`create_tip_length_data`
    """
    tip_length_dir_path = config.get_tip_length_cal_path()
    all_tip_lengths = tip_lengths_for_pipette(pip_id)
    all_tip_lengths.update(tip_length_cal)
    dict_of_tip_lengths = _conver_tip_length_model_to_dict(all_tip_lengths)
    io.save_to_file(tip_length_dir_path, pip_id, dict_of_tip_lengths)