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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_timeouts(self, cache_timeout):
 """ Clear the cache of timed out results. """


        for key in list(self.timeouts):
            if timer() - self.timeouts[key] > cache_timeout:
                del self.timeouts[key]
                del self.cache[key]