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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_vendor(self, mac):
 """Get vendor company name. Keyword arguments: mac -- MAC address or OUI for searching """


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

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

        return response