9. OOP#
Object-oriented programming is a paradigm for organizing data and behavior together in reusable types.
Classes as blueprints for objects
Instances as concrete objects with their own state
Methods as behavior attached to objects
Encapsulation, inheritance, polymorphism, and abstraction
Advanced class features for Pythonic designs
This chapter starts with foundational ideas, works through practical examples, and builds toward more advanced OOP techniques.
Video
This overview introduces classes, instances, attributes, and methods in Python.
Python OOP Tutorial 1: Classes and Instances by Corey Schafer
Learning Goals
By the end of this chapter, you will be able to:
Explain what object-oriented programming is and why it is useful
Distinguish between a class and an instance
Create a simple class with attributes and methods
Recognize everyday Python values as instances of classes
Use methods such as
__init__,__str__, and operator overloads