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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 rename_snapshot(self, path, oldsnapshotname, snapshotname, **kwargs):
 """Rename a snapshot"""

        response = self._put(path, 'RENAMESNAPSHOT',
                             oldsnapshotname=oldsnapshotname, snapshotname=snapshotname, **kwargs)
        assert not response.content