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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 clear(self):
 """Clear all data from this sensor_log. All readings in all walkers are skipped and buffered data is destroyed. """


        for walker in self._virtual_walkers:
            walker.skip_all()

        self._engine.clear()

        for walker in self._queue_walkers:
            walker.skip_all()

        self._last_values = {}