What Decorator in Python?

A decorator in Python is a function that takes another function as its argument, and returns yet another function . Decorators can be extremely useful as they allow the extension of an existing function, without any modification to the original function source code.

What is a decorator in programming?

In object-oriented programming, the decorator pattern is a design pattern that allows behavior to be added to an individual object, dynamically, without affecting the behavior of other objects from the same class.

How do you call a decorator in Python?

The call() decorator is used in place of the helper functions. In python, or in any other languages, we use helper functions for three major motives: To identify the purpose of the method. The helper function is removed as soon as its job is completed.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.