Week 3 of 21 · Mon 30 Nov – Sun 6 Dec 2026
Phase 1 · Mac, Git and Python from zero (Weeks 1–4)
16:15–17:00 after you wake properly. One untimed problem and revision – never new material.
Mon · 30 Nov
16:15–17:00
How to do it
0/2 steps1.Read Python tutorial §4.1–4.4 (docs.python.org) + 1 Exercism exercise
2.Commit what you did
$ git add -A$ git commit -m "Week 3 mon: Read Python tutorial §4.1–4.4 (docs.python.org) + 1 Exercism exercise"$ git pushTue · 1 Dec
16:15–17:00
How to do it
0/3 steps1.Re-solve a Problem Set 2 problem from memory
2.Test it against the spec examples
Run every example from the problem page; it should match exactly.
3.Commit what you did
$ git add -A$ git commit -m "Week 3 tue: Re-solve a Problem Set 2 problem from memory"$ git pushWed · 2 Dec
16:15–17:00
How to do it
0/2 steps1.Exercism: 2 list/dict exercises
2.Commit what you did
$ git add -A$ git commit -m "Week 3 wed: Exercism: 2 list/dict exercises"$ git pushLearn on Thursday, build Friday to Sunday. Friday flex is catch-up first, then stretch work.
Thu · 3 Dec
14:30–16:30
How to do it
0/4 steps3.Do
Watch and type along; uv add one package and use it.
4.Check you’re done
Done when: pyproject.toml lists your package.
Short on sleep? Do the minimum version: Lecture only. Let the next buffer week absorb the rest.
Fri · 4 Dec
09:00–10:30
How to do it
0/3 steps2.Do
Solve 2 problems.
3.Check you’re done
Done when: Both work.
Short on sleep? Do the minimum version: 1 problem. Let the next buffer week absorb the rest.
Fri flex · 4 Dec
10:45–12:15
How to do it
0/2 stepsSat · 5 Dec
09:30–12:30
How to do it
0/5 steps1.Start with 20 min revision
Explain try/except and when to use it.
3.Do
Lecture; all of Problem Set 5; add pytest tests to 3 earlier programs.
4.Check you’re done
Done when: uv run pytest passes 15+ tests.
5.Commit
cs50p/ps5/, tests/
$ git add cs50p/ps5/ tests/$ git commit -m "Week 3: Unit tests"$ git pushShort on sleep? Do the minimum version: Lecture + 5 tests. Let the next buffer week absorb the rest.
Sun · 6 Dec
10:00–13:00
How to do it
0/5 steps3.Check you’re done
Done when: 1 Problem Set 6 program reads/writes its files.
4.Commit
cs50p/ps6/
$ git add cs50p/ps6/$ git commit -m "Week 3: Files and CSV + review"$ git push5.Weekly review (last 30 min)
3 wins, 3 confusions, 1 thing to re-learn – written at the bottom of this page and saved with your progress.
Short on sleep? Do the minimum version: Lecture + review. Let the next buffer week absorb the rest.
The last 30 minutes of Sunday. Saved with your progress.