Python Decorators Explained: How Functions Wrap Other Functions

A beginner-focused guide breaks down Python decorators, a feature often seen as confusing at first. It shows how repeated logging code across functions can be replaced by a decorator that wraps each function. The article explains that the @ symbol is shorthand for passing a function into a decorator and reassigning the result. It also covers how *args and **kwargs let a decorator work with any function, and lists common uses such as logging, timing, caching, authentication, and retry logic.