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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 EngagementContext :param sid: Engagement Sid. :returns: twilio.rest.studio.v1.flow.engagement.EngagementContext :rtype: twilio.rest.studio.v1.flow.engagement.EngagementContext """

        return EngagementContext(self._version, flow_sid=self._solution['flow_sid'], sid=sid, )