def get_class_data(wltc_data, wltp_class):
    """
    Returns WLTP class data.

    :param wltc_data:
        WLTC data.
    :type wltc_data: dict

    :param wltp_class:
        WLTP vehicle class.
    :type wltp_class: str

    :return:
        WLTP class data.
    :rtype: dict
    """
    return wltc_data['classes'][wltp_class]
