In our first few articles, we introduced the three tenants of object-oriented programming: encapsulation, inheritance and polymorphism. We then covered software process and design patterns.

What does object-oriented programming actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

This third edition of Python 3 Object-Oriented Programming fully explains classes, data encapsulation, and exceptions for developing well-designed software. Temporarily free to download!