🎨 Module 07: Design Patterns

Design patterns are reusable solutions to common software design problems. They help you communicate ideas clearly, avoid reinventing the wheel, and build systems that are easier to change and extend.

Estimated Time: 10-12 hours
Prerequisites: Module 04 (OOP Concepts), Module 06 (Software Design)
Level: ⭐⭐⭐⭐ Advanced

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📚 Topics Covered

#	Topic	Description	Key Concepts
01	Creational Patterns	How objects are created and configured	singleton, factory, builder
02	Structural Patterns	How parts are composed into larger structures	adapter, decorator, facade
03	Behavioral Patterns	How objects communicate and share responsibilities	observer, strategy, command

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🎯 Learning Goals

By the end of this module, you should be able to:

• Explain when and why to use design patterns.
• Choose a suitable pattern for a given design problem.
• Identify common patterns in real-world code.
• Implement basic versions of creational, structural, and behavioral patterns.

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📂 Module Structure

07_design_patterns/
├── README.md
├── 01_creational/
│   ├── README.md
│   ├── examples.py
│   ├── exercises.py
│   └── quiz.md
├── 02_structural/
│   ├── README.md
│   ├── examples.py
│   ├── exercises.py
│   └── quiz.md
└── 03_behavioral/
    ├── README.md
    ├── examples.py
    ├── exercises.py
    └── quiz.md

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Ready to begin? Start with 01_creational!