Add functionality to an existing code
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What are Python decorators and how to use them?
Python decorators allow you to change the behavior of a function without modifying the function itself. In this article I will show you how to create and use decorators. You will see how easy it is to use this advanced Python feature. You’ll use a decorator when you need to change the behavior of a function without modifying the function itself.
How to decorate the class function in Python?
Beside decorating normal function, the decorator function can be also used to decorate the class function, for instance, the @staticmethod and @property are commonly seen in Python code to decorate the class functions.
What is a decorator and how to use it?
A decorator is used to modify the behaviour of a function or a class. The way this is achieved is by defining a function (decorator) that returns another function. This sounds complicated, but you will understand everything with this example: Let鈥檚 go step-by step.
How to call a function from another function in decorator?
In Decorators, functions are taken as the argument into another function and then called inside the wrapper function. In the above code, gfg_decorator is a callable function, will add some code on the top of some another callable function, hello_decorator function and return the wrapper function. print(This is inside the function !!)