def move(n,a,b,c): if n==1: print(a,'-->',c) else: move(n-1,a,c,b) print(a,'-->',c) move(n-1,b,a,c)
move(3, 'A', 'B', 'C')
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聽Amy
def move(n,a,b,c): if n==1: print(a,'-->',c) else: move(n-1,a,c,b) print(a,'-->',c) move(n-1,b,a,c)
期待输出:
A --> C
A --> B
C --> B
A --> C
B --> A
B --> C
A --> C
move(3, 'A', 'B', 'C')