Mastering Python Decorators

Rajan Sahu
3 min readJun 18, 2023

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Today we will talk about one of the most useful features of Python decorators. Decorators are a way to modify or enhance the functionality of a function or method without actually changing its source code.

In this blog, we’ll explore the basics of decorators in Python, including how they work, how to create them, and how to use them effectively.

What are decorators?

  • A decorator is a special type of function that can change the default behavior of a function.
  • Decorators can be used to add additional functionality to a function or method, such as caching, logging, or authentication, without actually changing the original code.
  • A decorator is essentially a wrapper function that takes in another function as an argument and returns a new function that adds additional functionality to the original function. Decorators are typically used to simplify code, make it more modular, and reduce the amount of boilerplate code that is required.

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Rajan Sahu

Backend and Data Engineer by Day; Teacher, Friend and Content-Writer by night.