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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 export(self, input_stats=None):
 """Export all the stats. Each export module is ran in a dedicated thread. """

        # threads = []
        input_stats = input_stats or {}

        for e in self._exports:
            logger.debug("Export stats using the %s module" % e)
            thread = threading.Thread(target=self._exports[e].update,
                                      args=(input_stats,))
            # threads.append(thread)
            thread.start()