A series of articles that teaches you how to make the best use of the core Python features. The Pydon'ts are available as an e-book that you can read for free below.
This article teaches the decorator pattern in Python, why it exists, how to use it, and when to use it to write efficient and idiomatic Python code.
Think of a number between 1 and 10. Multiply it by 9 and subtract 1. Now close your eyes. It got dark, didn't it?