OK, so what have I done? I just added a little bit more now. I'm now running through a pair of loops. Again notice the encapsulation, that nice abstraction going on, which is what I want. Once I get to this stage though by the way, there might be more than one solution.

我现在运行了一对循环,再一次注意这个封装,抽象得很好，这就是我想要的结果,我按这种方式走到这一步的时候,可能会有多组答案。

麻省理工公开课 - 计算机科学及编程导论课程节选

OK. Let's think it through. I've got two loops.

据它内部的内容来判断。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's running through a similar set of loops.

它执行的是相似的一套循环。

麻省理工公开课 - 计算机科学及编程导论课程节选