It's just some bogus language we made up that's kind of English-like, kind of look C-like now that you've seen this syntax, but it was just an arbitrary language.

并不是真正的编程语言,好比某种“伪英语“，或“类C语言“,你现在在语法中看到的就是所谓的伪代码，非常随意。

哈佛公开课 - 计算机科学课程节选