Chapter 3: Understanding Decorators and their Applications

From this chapter onwards, we will start looking at various concepts that are part of metaprogramming along with examples of how to apply them. We will first take a look at decorators and how decorators can be implemented in Python 3.

Decorators are one of the metaprogramming concepts that deal with decorating a function without modifying the actual function body. As the name suggests, a decorator adds additional value to a function, a method, or a class by allowing the function to become an argument of another function that decorates or gives more information on the function, method, or class being decorated. Decorators can be developed on an individual user-defined function or on ...

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