Last time we used printf generally to print a static string, like a hardcoded string, like "David," just for example's sake.

上次我们通常用“printf“,来打印一个静态的字符串，像硬编码的字符串“David“,这只是个例子。

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The reason for pulling this out is, what you're going to see is, that in most languages, all right, Python comes built-in with something that will check your static, sorry, your syntax for you.

讲这些的原因在于，你们将要看到的是，在绝大部分语言中，好的，Python中带着一些,会检查你的static的东西，抱歉，是你的语法。

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