My answer is, you can't change one but you can create a new one that is almost like the old one but different in a little bit.

既然你不能改变元组,你可以新建一个跟原来的元组,大体上一致但有细微差别的元组。

麻省理工公开课 - 计算机科学及编程导论课程节选

Every time I use it, I'm creating a new instance, that's a different thing inside of memory.

我每次调用它，我就新建了一个类，这在内存中是个不同的事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

There's the Cartesian representation of it, which is right, .

我们会新建一个点p，好不好？,这里是它的笛卡尔表示法。

麻省理工公开课 - 计算机科学及编程导论课程节选