So when you're writing a program in this language and many others, if you wanna make a comment to yourself or for other people who are reading this with their TF or fellow colleagues, you use what are called comments.

当你用这样那样的语言写程序时,为了便于自己或他人,阅读我们写的代码，我们必须得做一些注解,这就是所谓的注释。

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