Repository Structure
oim3640/ # Main course repository (public)
├── notebooks/ # Jupyter notebooks (from Think Python 3)
├── code/ # Python scripts and modules
├── data/ # Data files
├── logs/ # Learning logs (Markdown files: s01.md, s02.md, ...)
├── mini_projects/ # Mini projects (may be here or separate repos)
└── README.md # Portfolio homepage