CS50P Week 5 Notes - Unit Testing & Writing Reliable Code (Free Download)

Master Python Unit Testing with These Beginner-Friendly Notes! 🧪🐍

Writing code is only half the battle — ensuring it works correctly is just as important! These notes simplify unit testing, assertions, and automated testing with pytest — key topics covered in Harvard’s CS50P.

💡 What You’ll Learn:

• ✅ What unit testing is and why it’s essential
• ✅ Use assert statements to check expected outputs
• ✅ Automate tests with pytest to save time
• ✅ Handle edge cases (negative numbers, zero, invalid inputs)
• ✅ Organize tests in a separate folder for structured projects
• ✅ Improve debugging efficiency and prevent future bugs

🚀 Bonus:

• A handy checklist to track your progress
• Includes both PDF and Markdown formats!

💬 I’d love your feedback! Let me know what helped and what could be improved — your input helps me create better resources for learners like you.