这个格式表示的是一个用于定义文本和格式的字符串类似于printf，它同时带有一组可变个数参数由省略号表示[…]。

This format indicates that a string is used to define the text and format (just like printf) and is accompanied by a variable set of arguments (identified by the ellipsis [...]).

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最后，一个最不常用的选择是可以让函数调用可变个数的参数。

Finally, the least frequently used option is to specify that a function can be called with an arbitrary number of arguments. These arguments will be wrapped up in a tuple.

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