README.md

Welcome to Session 2

Learning goals

By the end of Session 2, you should be able to:

• read CSV files using csv.DictReader
• access columns by name using dictionary keys
• use counters and first-match search on dataset rows
• report basic time/space complexity

Recommended order

1. Part 1
2. Part 2
3. Part 3
4. Homework
5. Write your own work in solutions.
6. Review reference solutions only after attempting tasks yourself.
7. Practice with quizzes when ready.

Notes

• Keep your own solutions in separate files inside solutions/.
• Use exercise-style names in solutions/ (for example exercise-02-01.py, exercise-02-02.py).
• Reference answers are in session_solutions/.
• Update this README.md with progress and notes.
• Do not commit .venv/ to GitHub.