code: def get_snapshot(self, snapshot_id_or_uri, volume_id_or_uri=None):
          
          uri = self.__build_volume_snapshot_uri(volume_id_or_uri, snapshot_id_or_uri)
          return self._client.get(uri)
docs: Gets a snapshot of a volume.
  
          Args:
              volume_id_or_uri:
                  Can be either the volume ID or the volume URI. It is optional if it is passed a snapshot URI,
                  but required if it passed a snapshot ID.
              snapshot_id_or_uri:
                  Can be either the snapshot ID or the snapshot URI.
  
          Returns:
              dict: The snapshot.