The O in SOLID: Open/Closed Principle in Python | LLD Chronicles #2

📰 Medium · Python

Learn the Open/Closed Principle in Python to write more maintainable code

intermediate Published 23 May 2026
Action Steps
  1. Apply the Open/Closed Principle to a Python class by making it open for extension but closed for modification
  2. Use inheritance to extend the behavior of a class without modifying its source code
  3. Use polymorphism to write more flexible and reusable code
  4. Test the Open/Closed Principle by creating a scenario where a new feature is added without modifying existing code
  5. Refactor existing code to adhere to the Open/Closed Principle
Who Needs to Know This

Software engineers and developers can benefit from applying the Open/Closed Principle to improve code quality and reduce maintenance costs

Key Insight

💡 The Open/Closed Principle states that software entities should be open for extension but closed for modification

Share This
🚀 Improve code maintainability with the Open/Closed Principle in Python! 💻

Key Takeaways

Learn the Open/Closed Principle in Python to write more maintainable code

Full Article

A Quick Recap Before We Begin Continue reading on Medium »
Read full article → ← Back to Reads