code: def get(self, sid):
          
          return DocumentContext(self._version, service_sid=self._solution['service_sid'], sid=sid, )
docs: Constructs a DocumentContext
  
          :param sid: The sid
  
          :returns: twilio.rest.preview.sync.service.document.DocumentContext
          :rtype: twilio.rest.preview.sync.service.document.DocumentContext