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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 stop_sync(self):
 """Synchronously stop this adapter """


        conn_ids = self.conns.get_connections()

        # If we have any open connections, try to close them here before shutting down
        for conn in list(conn_ids):
            try:
                self.disconnect_sync(conn)
            except HardwareError:
                pass

        self.client.disconnect()
        self.conns.stop()