Systematic Debugging, Testing, and Quality Assurance

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Learn the essential practices of debugging, testing, and producing clean, maintainable code through this practical course in the Software Development Skill Path. You will build critical skills in diagnosing runtime errors, applying systematic debugging techniques, writing effective unit tests using Test-Driven Development (TDD), and refactoring code to improve quality without altering behavior. Through hands-on demonstrations and real-world scenarios, you will strengthen your ability to investigate issues, prevent defects, and write code that is easier to understand, maintain, and trust. This course brings together the expertise of Google, IBM, and Scrimba to provide a comprehensive view of software quality. You will progress from troubleshooting program crashes and analyzing error messages, to applying TDD principles with Python’s Unittest and Nose frameworks, and finally to adopting clean code practices that enhance readability and long-term maintainability. The curriculum balances conceptual understanding with practical technique, empowering you to confidently debug issues, design meaningful tests, and improve code clarity and reliability. Perfect for aspiring developers, QA engineers, and anyone seeking a strong foundation in debugging, testing, and writing high-quality software.

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