def hanoi(n=1, a = 'a', b = 'b', c = 'c', i=1): if n == 1: print('%c --> %c' % (a, c)) else: hanoi((n-1), a, c, b, i) hanoi(1, a, b, c, i) hanoi((n-1), b, a, c, i) print(i)
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M斯蕾