Add this code to the end of the iterator loop

将下列代码添加到迭代器循环的底部

youdao

At the end of the day, you can implement the exact same program using a while loop that you can using a for loop, it's just your code is going to look slightly different.

最终，你可以执行这个程序，再使用for循环的地方使用while循环，这只是使你的代码看起来稍微有点不同。

youdao