So what would I want to do? I'd like to somehow walk down each of the digits one at a time and add them up. Ah, that's a looping mechanism, right? I need to have some way of walking through them.

去取这个数的,每个数字然后把他们加起来,啊，这是个循环机制对不对？,我得找到一个遍历它们的方法,一种简单的方法可能。

麻省理工公开课 - 计算机科学及编程导论课程节选

I think the easiest way to look at what this does, is let's take a really simple example- I want to make sure I put the right things out- I've got a simple little list of values there.

到底做了什么，就是让它跑一个简单的例子，我想要确信我找到了正确的元素-,这里我用一个简单的小的列表-,如果我去代码里面看。

麻省理工公开课 - 计算机科学及编程导论课程节选