Python Decorator enables developers to modify or extend a function or class’s functionalities by wrapping it using a single line of code.

Python decorators are extremely useful, albeit a bit hard to wrap your head around. They enable developers to modify or extend a function or class’s functionalities by wrapping it using a single line of code @decorator_name . Before we delve into decorators’ working, let’s understand the concept of first-class functions in Python. In a programming language, first-class objects  are entities that have no restrictions on their usage. They can be dynamically created, stored in variables and data structures, passed as a function argument, or returned by a function. Everything in Python is a first-class object, even those “primitive types” in other languages. Let’s see what this means for functions in Python

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