human
I wrote the below code

    global _twisted_thread
    if (not _twisted_thread):
        from threading import Thread
        _twisted_thread = Thread(target=(lambda : reactor.run(installSignalHandlers=False)), name='Twisted')
        _twisted_thread.setDaemon(True)
        _twisted_thread.start()
        def hook_observer():
            observer = log.PythonLoggingObserver()
            observer.start()
            import logging
            log.msg('PythonLoggingObserver    hooked    up', logLevel=logging.DEBUG)
        reactor.callFromThread(hook_observer)
    return (reactor, _twisted_thread)

What's a good function header?
 Here's a good function header?
assistant
#Here's a good function header.

def threaded_reactor():