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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 add_request(self, request):
 """Add a request to the queue. Args: request (:class:`nyawc.http.Request`):
 The request to add. Returns: :class:`nyawc.QueueItem`: The created queue item. """


        queue_item = QueueItem(request, Response(request.url))
        self.add(queue_item)
        return queue_item