Discuss / Python / 增加了一个计数器,来显示出当前是第几步。

增加了一个计数器,来显示出当前是第几步。

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#1 Created at ... [Delete] [Delete and Lock User]

增加了一个计数器,来显示出当前是第几步。

def move(n, a, b, c, num = [1]) :
    if n == 0:
        return

    move(n - 1, a, c, b, num)
    print('%d: %s --> %s'%(num[0], a, c))
    num[0] = num[0] + 1
    move(n - 1, b, a, c, num)


move(3, 'A', 'B', 'C')

KKKKKKKEM

#2 Created at ... [Delete] [Delete and Lock User]

增加记步数那里看不太懂 能否解释下


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