A decorator, being a Python function, can do absolutely anything other Python code can.
作为一个python函数，decorator完全可以实现其他Python代码所实现的任何功能。
It is not hard to create a decorator that "enhances" a regular numerical function.
创建一个可以“增强”普通数值函数的decorator并不困难。
It is not hard to create a decorator that "enhances" a regular numerical function.
创建一个可以“增强”普通数值函数的decorator并不困难。
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