Programming 103: OOP For A-Level Part 3 Make Your Classes Safe Using Getter & Setter Methods

Master the final Python OOP concepts with this essential A-Level Computer Science tutorial on encapsulation and polymorphism! Learn how to create private attributes using double underscores, implement getter and setter methods for controlled access, and understand method overriding in child classes. Includes practical examples with user authentication, bank account security, and polymorphic animal classes. Perfect for AQA, OCR, and Eduqas specifications. Features hands-on coding challenges including recreating Python's len() function. Complete your OOP knowledge and write more secure, professional code! 📄 *Practice worksheet to cement your learning!* https://www.codeandconquer.org/page/programming/prog_3.3.html 🔔Don't forget to *like and subscribe* *Chapters* 00:00 - Introduction to Final OOP Concepts 00:34 - What is Encapsulation? 01:35 - Private Attributes Demo 02:35 - Getter & Setter Methods 03:17 - Bank Account Example 04:07 - Practice Task Pause Point 04:44 - What is Polymorphism? 06:16 - Challenge: Recreate len() Function 07:01 - Conclusion