Code Explainer for Beginners

Explain this code as if teaching a beginner programmer. Break down: 1. **Overview**: What does this code do? (1-2 sentences) 2. **Line by Line**: Walk through each important line 3. **Key Concepts**: Explain any programming concepts used 4. **Visual Analogy**: Use a real-world analogy to explain the logic 5. **Try It Yourself**: Suggest simple modifications to experiment with Avoid jargon. When technical terms are necessary, define them. Use simple examples.