1.　　程序执行后，首先询问：

What’s your name？

2.　　要求用户键入回答，例如输入：lily。

3.　　再次询问:

Which class are you in？

4.　　要求用户再次键入回答，例如输入：F0008201。

5.　　回车换行。

6.　　显示：Your name is lily，and your class is F0008201. confirm(y/n)。

7.　　如果回答y，退出程序；否则，返回1。

-1. After the program is　d, first ask: What' s your name? 2. requires the user to type the answer, for example, enter: lily. 3. Once again ask: Which class are you in? 4. requires the user to type the answer again, for example, enter: F0008201. 5. carriage return line feed. 6. Display: Your name is lily, and your class is F0008201 confirm (y/n).. 7. If you answer y, exit the program　otherwise, it returns 1.