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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_favorite_radio_stations(self, start=0, max_items=100):
 """Get favorite radio stations from Sonos' Radio app. See :meth:`get_favorite_radio_shows` for return type and remarks. """

        message = 'The output type of this method will probably change in '\
                  'the future to use SoCo data structures'
        warnings.warn(message, stacklevel=2)
        return self.__get_favorites(RADIO_STATIONS, start, max_items)