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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 FaxMediaContext :param sid: The unique string that identifies the resource to fetch :returns: twilio.rest.fax.v1.fax.fax_media.FaxMediaContext :rtype: twilio.rest.fax.v1.fax.fax_media.FaxMediaContext """

        return FaxMediaContext(self._version, fax_sid=self._solution['fax_sid'], sid=sid, )