Firstclass

Feb 19, 2026 Architecture

Strategy Pattern in Python: First-Class Functions

The Strategy pattern encapsulates interchangeable algorithms behind a common interface. You’ve got a family of algorithms, you make them interchangeable, and clients can swap them without knowing the…

Nov 13, 2025 Python

Python - First-Class Functions

In Python, functions are first-class citizens. This means they’re treated as objects that can be manipulated like any other value—integers, strings, or custom classes. You can assign them to…