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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 put( self, item: _T, timeout: Union[float, datetime.timedelta] = None ) -> "Future[None]": """Put an item into the queue, perhaps waiting until there is room. Returns a Future, which raises `tornado.util.TimeoutError` after a timeout. ``timeout`` may be a number denoting a time (on the same scale as `tornado.ioloop.IOLoop.time`, normally `time.time`), or a `datetime.timedelta` object for a deadline relative to the current time. """

        future = Future()  # type: Future[None]
        try:
            self.put_nowait(item)
        except QueueFull:
            self._putters.append((item, future))
            _set_timeout(future, timeout)
        else:
            future.set_result(None)
        return future