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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 update_refresh_state(self, id_or_uri, refresh_state_data):
 """ Refreshes a given intelligent power delivery device. Args: id_or_uri: Can be either the power device id or the uri refresh_state_data: Power device refresh request Returns: str: The power state """

        uri = self._client.build_uri(id_or_uri) + "/refreshState"
        return self._client.update(refresh_state_data, uri=uri)