下列程序的输出结果是:___________。 x = 10 y = 20 def swap(x, y): t = x x = y y = t print(x, y) swap(x,y) print(x,y)A.20 10 10 20B.10 20 10 20C.10 20 20 10D.20 10 20 10

下列程序的输出结果是:___________。 x = 10 y = 20 def swap(x, y): t = x x = y y = t print(x, y) swap(x,y) print(x,y)

A.20 10 10 20

B.10 20 10 20

C.10 20 20 10

D.20 10 20 10


参考答案和解析
10 20 10 20

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