Let's suppose, we'll start with the list, I'll call it l 1. This, by the way, is a really bad thing I just did.

让我们假设有一个名为l1的数组，顺便说下，这真是挺糟糕的。

麻省理工公开课 - 计算机科学及编程导论课程节选

What was-- what's really bad about calling a list l 1?

为什么把一个数组,命名为l1很糟糕呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

All right? Now, I'll say L 2 equals L 1.

好，然后我新建个L2数组和L1相等。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now I'll print L 2. Kind of what you'd guess, but here's the interesting question: if I say L 1 is assigned 0, L 1 sub is assigned 4, I'll print L 1.

然后我将显示下L2的内容，你，们猜猜这个有趣的问题：,如果我将L1赋值为4的话，再去显示下L1，会怎么样呢？

麻省理工公开课 - 计算机科学及编程导论课程节选