code: def create_binding(self, vhost, exchange, queue, rt_key=None, args=None):
          
  
          vhost = quote(vhost, '')
          exchange = quote(exchange, '')
          queue = quote(queue, '')
          body = json.dumps({'routing_key': rt_key, 'arguments': args or []})
          path = Client.urls['bindings_between_exch_queue'] % (vhost,
                                                               exchange,
                                                               queue)
          binding = self._call(path, 'POST', body=body,
                                      headers=Client.json_headers)
          return binding
docs: Creates a binding between an exchange and a queue on a given vhost.
  
          :param string vhost: vhost housing the exchange/queue to bind
          :param string exchange: the target exchange of the binding
          :param string queue: the queue to bind to the exchange
          :param string rt_key: the routing key to use for the binding
          :param list args: extra arguments to associate w/ the binding.
          :returns: boolean