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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_snapshot_policies(self, view=None):
 """ Retrieve a list of snapshot policies. @param view: View to materialize. Valid values are 'full', 'summary', 'export', 'export_redacted'. @return: A list of snapshot policies. @since: API v6 """

    return self._get("snapshots/policies", ApiSnapshotPolicy, True,
        params=view and dict(view=view) or None, api_version=6)