Quick Facts
- Category: Programming
- Published: 2026-04-30 18:25:03
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Why Clean Code Matters
Clean code is not just about aesthetics — it directly impacts maintainability, debugging efficiency, and team collaboration. Code is read far more often than it is written.
Naming Conventions
Use descriptive variable names that convey intent. Avoid single-letter variables except in loops. Follow PEP 8 guidelines: snake_case for functions and variables, PascalCase for classes.
Function Design
Keep functions small and focused on a single task. A function should do one thing and do it well. If a function needs more than 3-4 parameters, consider using a data class or dictionary.
Error Handling
Use specific exception types rather than catching all exceptions. Always provide meaningful error messages. Use context managers (with statements) for resource management.
Testing
Write tests before or alongside your code. Use pytest for its simplicity and powerful features. Aim for meaningful test coverage rather than 100% line coverage.