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下面代码的输出结果是()。def exchange(a, b):a, b = b, areturn(a,b)x = 10y = 20x, y = exchange(x, y)print(x, y)

下面代码的输出结果是()。def exchange(a, b):a, b = b, areturn(a,b)x = 10y = 20x, y = exchange(x, y)print(x, y)
A.20 10
B.20,10
C.10 10
D.20 20
正确答案:20 10
标签:python 代码