6、函数f打印出1,2,3的6个排列,空缺语句是 def f(n): for a in range(1,n): for b in range(1,n): for c in range(1,n): if ______________: print(a,b,c) _________

A.a!=b and b!=c and c!=a f(4) B.a!=b and b!=c and c!=a f(3) C.a!=b and b!=c f(4) D.a!=b and b!=c f(3)

时间:2024-05-04 14:56:31

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