Memento Design Pattern Explained with Python Example | Low Level Design - Lesson 11
Автор: Code and Debug
Загружено: 2026-03-05
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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...
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