def element_priority_queue():
    epq = ElementPriorityQueue()
    epq.enqueue(10)
    epq.enqueue(70)
    epq.enqueue(100)
    epq.enqueue(1)
    epq.enqueue(5)
    epq.enqueue(7)
    epq.enqueue(4)
    epq.enqueue(64)
    epq.enqueue(128)
    print(epq)
    print(epq.dequeue())
    print(epq.dequeue())
    print(epq.dequeue())
    print(epq.dequeue())
    print(epq.dequeue())
    print(epq)
    print(epq.dequeue())
    print(epq.dequeue())
    print(epq.dequeue())
    print(epq.dequeue())
    print(epq.dequeue())