# Python
.venv/
dist/
build/
__pycache__/
*.pyc
*.pyo
.pytest_cache/

# Student materials — never commit private PDFs
Course/**/*.pdf
Course/**/*.PDF
OS-Course/**/*.pdf
OS-Course/**/*.PDF
lectures/**/*.pdf
lectures/**/*.PDF
past_exams/**/*.pdf
past_exams/**/*.PDF
Course/output/*.md
output/*.md
opencode.json.bak-*

# Frontend
landing/node_modules/
landing/dist/

# OS / editors
.DS_Store
Thumbs.db
.vscode/
.idea/
