Python Priority queue

prioque.py import Queue ProductQueue = Queue.PriorityQueue(maxsize=5) electronics =[10,10,30,40] cosmetics =[1,11,3,4] ProductQueue.put(electronics,2) ProductQueue.put(cosmetics,4) while not OrderQueue.empty():        print(ProductQueue.get())   Output [1, 11, 3, 4] [10, 10, 30, 40]