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                t = threading.Thread(target=joiningfunc,
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                while True:
                    in_f = open(os.__file__, 'rb')
                    stuff = in_f.read(200)
                    null_f = open(os.devnull, 'wb')
                    null_f.write(stuff)
                    time.sleep(random.random() / 1995)
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                    in_f.close()
                    thread_has_run.add(threading.current_thread())

            def main():
                count = 0
                for _ in range(40):
                    new_thread = threading.Thread(target=random_io)
                    new_thread.daemon = True
                    new_thread.start()
                    count += 1
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