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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 wait(self, timeout=None):
 """ Wait for events. """

        try:
            if timeout:
                gevent.sleep(timeout)
            else:
                while True:
                    gevent.sleep(1000)
        except (KeyboardInterrupt, SystemExit, Exception):
            pass