code: def get(self, sid):
          
          return NotificationContext(
              self._version,
              account_sid=self._solution['account_sid'],
              call_sid=self._solution['call_sid'],
              sid=sid,
          )
docs: Constructs a NotificationContext
  
          :param sid: The unique string that identifies the resource
  
          :returns: twilio.rest.api.v2010.account.call.notification.NotificationContext
          :rtype: twilio.rest.api.v2010.account.call.notification.NotificationContext