Day 16 – SWE Concepts Jun 22, 2025 Sunday, June 22 — Debugger + OSI + Jupyter + Code-freeze + OOPS + Git + SOLID + Dict vs HashMap + Event driven vs Serverless Better. What I studied/researched : Debugger vs Print Statements OSI Model Layers Explained Code Freeze Overview Advantages of Jupyter Notebooks Divergent branches reconciliation OOP Concepts and Practices SOLID Principles Explained Simply Python Dict vs Java HashMap Multiple Git Repos Issue Event-Driven vs Serverless