10 Clean Code Rules Every Developer Should Know

Clean code is code that other developers can read and understand quickly. It is not about cleverness. It is about clarity. The best code reads like a well-written paragraph. These 10 rules will make your code better immediately. Each rule includes bad and good examples in both Kotlin and Python. You can apply these today, no matter what language you use. Rule 1: Use Descriptive Names Names should tell you what a variable, function, or class does. If you need a comment to explain a name, the name is wrong. ...

July 23, 2026 · 11 min