And the nice thing is that there's a shared behavior there. Just as I can have tuples as an ordered collection of things, strings behave as an ordered collection of things.

共享的行为，就像元组是有序的元素序列,字符串也是有序的元素序列,因此我可以对字符串做同样的操作,我可以把它们连结起来。

麻省理工公开课 - 计算机科学及编程导论课程节选

But I can also ask for parts of this. So I can, for example, say give me the first element of s1 string 1, s 1. Ah, that's exactly what we would have thought if this was represented as an ordered sequence of things.

然后返回一个长字符串，我也可以，取字符串的一部分，例如,我可以要求返回给我字符串,的第一个元素，啊，这证明我们之前,认为的它是一个有序的字符序列的想法。

麻省理工公开课 - 计算机科学及编程导论课程节选