What are the main benefits of practicing TDD?

beginner

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Key benefits include:

Better Code Design: Forces thinking about interfaces and dependencies upfront
High Test Coverage: Naturally achieves near 100% test coverage
Regression Protection: Prevents breaking existing functionality
Documentation: Tests serve as living documentation of requirements
Confidence in Changes: Safe refactoring and feature additions
Faster Debugging: Failing tests quickly pinpoint issues
Reduced Debugging Time: Issues are caught early in small increments

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