code: def set_supported_languages(self, order):
          
  
          if not isinstance(order, TwitterSearchOrder):
              raise TwitterSearchException(1010)
  
          r = requests.get(self._base_url + self._lang_url,
                           auth=self.__oauth,
                           proxies={"https": self.__proxy})
  
          self.__response['meta'] = r.headers
          self.check_http_status(r.status_code)
          self.__response['content'] = r.json()
  
          order.iso_6391 = []
          for lang in self.__response['content']:
              order.iso_6391.append(lang['code'])
docs: Loads currently supported languages from Twitter API \
          and sets them in a given TwitterSearchOrder instance.
          See `Advanced usage <advanced_usage.html>`_ for example
  
          :param order: A TwitterOrder instance. \
          Can be either TwitterSearchOrder or TwitterUserOrder