以下程序的运行结果是哪一项？def f(x): global a a = 7 print a + x, a = 5 f(8) print a A: 15 7 B: 13 7 C: 15 5 D: 7 13

2022-06-09

以下程序的运行结果是哪一项？def f(x): global a a = 7 print a + x, a = 5 f(8) print a
A: 15 7
B: 13 7
C: 15 5
D: 7 13

答案：

A

0
如下程序的运行结果是___________def exchange(num1,num2): num1,num2=num2,num1 num1=5 num2=7 exchange(num1,num2) print(num1,num2) A: 5 7 B: 7 5 C: 5 5 D: 7 7
1
已知函数f(x)=-b,且f(1)=7,则f(2)=(). A: 7 B: 10 C: 13 D: 15
2
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3
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4
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