class C(B): ...

Question

The

character denotes a decorator. Decorators are functions that can modify or extend behavior of another function temporarily by wrapping around them.

Decorators wrap around a function by receiving them as a parameter. The

syntax (also known as "pie" syntax) applies the

decorator to

after it is defined in your snippet.

You can read more about the specific decorator from your example () here

.

这个问题在这里已经有了答案

:

在Python中，"at"(@)符号有什么作用？super() help() (12个回答)

This works for class methods too: | class C(B): | @classmethod | def cmeth(cls, arg): | super().cmeth(arg)

@ classmethod封闭

2个月前@.

Answer 1

的方法，在python中使用 @ 在IDLE中，我遇到了这段代码。

在第二行，你可以看到 @ 签上 classmethod .cmeth什么？

符号在python中的作用和用途是什么？classmethod 我在使用IDLE中的help()函数查看python内置的super()方法的方法和文档。我看到了这段代码 这也适用于类方法。