code: def get_exchange(self, vhost, name):
          
          vhost = quote(vhost, '')
          name = quote(name, '')
          path = Client.urls['exchange_by_name'] % (vhost, name)
          exch = self._call(path, 'GET')
          return exch
docs: Gets a single exchange which requires a vhost and name.
  
          :param string vhost: The vhost containing the target exchange
          :param string name: The name of the exchange
          :returns: dict