Understanding Python Decorators From Scratch
Functions are objects. Once that clicks, everything else follows.
Mar 5, 20268 min read84

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Series
A 4-part series that builds your understanding of Python decorators from the ground up: no prior knowledge assumed. We start with functions as objects, work through closures and wrappers, tackle the print vs return trap that silently breaks your code, explore decorators with arguments and stacking, and finish with 10 hands-on exercises. Written by a developer who learned the hard way so you don't have to.
Functions are objects. Once that clicks, everything else follows.

I spent hours debugging this so you don't have to.

The patterns you'll actually encounter in real codebases.

The part where reading stops and building starts.

Closures hold state. Classes give it a home.
