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if-else Fail Fast pattern in Python

· 7 min read
Serhii Hrekov
software engineer, creator, artist, programmer, projects founder

The concept of "fail fast" is a fundamental principle in software engineering, rooted in the idea of handling erroneous conditions immediately at the entrance of a function or code block. From the perspective of a high-level Python developer, this technique, often applied using if/return patterns, is key to writing clean, readable, and maintainable code.

Here is an analysis of best practices, techniques to master, and patterns to strictly avoid when working with conditional logic.