<ul><li>Writing testable code is essential for clean, scalable, and maintainable systems.</li><li>Essential tools and principles like SOLID, DRY, KISS, and Clean Architecture help in writing testable code.</li><li>AI tools can assist in writing clean, testable code by generating unit tests, refactoring for testability, and providing prompts.</li><li>Writing testable code is a long-term investment in quality and scalability, and AI tools can aid developers in this journey.</li></ul>

Why Testable Code Matters — and How AI Can Help You Master It

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