Memento Design Pattern Explained with Python Example | Low Level Design - Lesson 11

Ever wondered how Undo/Redo works in a text editor? That's the Memento Design Pattern in action! In this video, I explain the Memento Pattern using a real text editor example. I first show you the bad approach that most developers take, and then refactor it into clean code using the Memento Pattern. 🔥 What you'll learn: ✅ What is Memento Design Pattern ✅ When and why to use it ✅ Text Editor example with bad approach vs clean approach ✅ Originator, Memento, and Caretaker roles explained ✅ How Memento Pattern is asked in interviews 📚 This is part of my FREE Low Level Design (LLD) Course in Python. Subscribe for the full Design Patterns series! 👉 LLD Playlist:    • Low Level System Design in Python   👉 Enroll in this Course: https://codeanddebug.in/course/low-le... #UML #ClassDiagram #LowLevelDesign #LLD #SystemDesign #Placements #CodeAndDebug