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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_raw_data(self, mac, response_format='json'):
 """Get data from API as string. Keyword arguments: mac -- MAC address or OUI for searching response_format -- supported types you can see on the https://macaddress.io """


        data = {
            self._FORMAT_F: response_format,
            self._SEARCH_F: mac
        }

        response = self.__decode_str(self.__call_api(self.__url, data), 'utf-8')

        if len(response) > 0:
            return response
        raise EmptyResponseException()