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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 FieldTypeContext :param sid: The unique string that identifies the resource :returns: twilio.rest.autopilot.v1.assistant.field_type.FieldTypeContext :rtype: twilio.rest.autopilot.v1.assistant.field_type.FieldTypeContext """

        return FieldTypeContext(self._version, assistant_sid=self._solution['assistant_sid'], sid=sid, )