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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get(self, sid):
 """ Constructs a SyncStreamContext :param sid: Stream SID or unique name. :returns: twilio.rest.sync.v1.service.sync_stream.SyncStreamContext :rtype: twilio.rest.sync.v1.service.sync_stream.SyncStreamContext """

        return SyncStreamContext(self._version, service_sid=self._solution['service_sid'], sid=sid, )