It could also say, what are the methods associated with the string, 1. I'm sure you can quickly graph it, but notice they aren't the same.

我们也可以说，与字符串1相关联的方法有哪些？,我相信你们可以很快的求出来，但是请注意这跟前面的。

麻省理工公开课 - 计算机科学及编程导论课程节选