What happened? I'm down here and try, I'm trying do get grades, which is a call to that function, which is not bound in my computer.

尝试着读取成绩，这被称为函数,是不被我的计算机局限的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Like, number of-- wait, what did we call a were solve-- number of legs and number of heads. OK, those are bound locally.

我们把solve称为--一些腿和头,它们都是局部赋值的,当solve运行完后它们被包裹起来。

麻省理工公开课 - 计算机科学及编程导论课程节选