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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, index):
 """ Constructs a SyncListItemContext :param index: The index :returns: twilio.rest.preview.sync.service.sync_list.sync_list_item.SyncListItemContext :rtype: twilio.rest.preview.sync.service.sync_list.sync_list_item.SyncListItemContext """

        return SyncListItemContext(
            self._version,
            service_sid=self._solution['service_sid'],
            list_sid=self._solution['list_sid'],
            index=index,
        )