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)选项: A:20 10; B:20,10; C:10 10; D:20 20 结果是 输出 发布时间:2024-06-06 14:22:33