Python Programming Learning Circle

Apr 25, 2021 · Fundamentals

Understanding Class Relationships in Object‑Oriented Programming: Dependency, Composition, and Inheritance with Python Examples

This article explains the three core class relationships in object‑oriented programming—dependency, composition, and inheritance—illustrates each with clear Python code, discusses inheritance advantages, single‑ and multiple‑inheritance types, and introduces the method‑resolution‑order (MRO) algorithm.