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answer: direct
beat: dev-practices
source: 1 article · updated: May 23, 2026
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Which naming convention does Python use?

Python uses snake_case for variables, functions and module names (get_user_data), PascalCase for class names, and UPPER_SNAKE_CASE for constants. This is codified in PEP 8, Python's official style guide, and enforced by most Python linters out of the box.

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Programming Naming Conventions Explained: camelCase, PascalCase, snake_case & More

Learn the difference between camelCase, PascalCase, snake_case, kebab-case and UPPER_SNAKE_CASE — which languages use which, and how to name things cleanly.

Crashtech Editorial May 23, 2026 Development Best Practices

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