def move(n,a,b,c): if n==1: return(a,'-->',c) else: return move(n-1,a,c,b) print(a,'-->',c) move(n-1,b,a,c)
n>1直接else: return
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用户7337451414
def move(n,a,b,c): if n==1: return(a,'-->',c) else: return move(n-1,a,c,b) print(a,'-->',c) move(n-1,b,a,c)