Understand the basics of Python decorators and learn how to create general purpose decorators using *args & **kwargs. A decorator is a design pattern in Python that allows a user to add new functionality to an existing object without modifying its structure. The understanding of decorators heavily relies on some characteristics of functions in python. Functions in Python are first-class citizens.
Understand the basics of Python decorators and learn how to create general purpose decorators using args & *kwargs.
Decorators allow us to add more functionalities in a Python function. It is called metaprogramming because one part of the program adds something to another part of the program at compile time.
A decorator is a design pattern in Python that allows a user to add new functionality to an existing object without modifying its structure. Decorators are usually called before the definition of a function you want to decorate. — Datacamp’s definition of a decorator.
Decorators are used on top of a function and starts with @ sign. Following is the basic structure to use a decorator:
@decorator_name
def function_name():
...
The understanding of decorators heavily relies on some characteristics of functions in python. Functions in Python are first-class citizens. That means…
These are the fundamental concepts to understand before diving into decorators. Lets talk about them first.
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