And in fact if I go off and run this, OK, what I was printing here was s 1 dot length, and that's -- What is it doing?

他们就是一些有结构的实例，实际上如果我去运行下这个，好，我这里输入的？

麻省理工公开课 - 计算机科学及编程导论课程节选

It's going to let j run over the length of the list all right, so it's going to start at some point to move down, and then it's going to let i run over range, that's just one smaller, and what's it doing there?

就在这里，会做什么呢？,我们让j遍历这个列表,好的，它要从某一定开始移动,然后让i也跑遍整个范围，就是比之要小一，会发生什么？

麻省理工公开课 - 计算机科学及编程导论课程节选