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交作业

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嘴角翘起是微笑

#1 Created at ... [Delete] [Delete and Lock User] 
def move(n, a, b, c):
    if n == 1:
        print('%s --> %s' % (a, c))
    else:
        move(n - 1, a, c, b)
        print('%s --> %s' % (a, c))
        move(n - 1, b, a, c)
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