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Week 3 · Season 1 · Spark

Tools of the trade

You can work in the terminal, organise code into functions and modules, read errors calmly, use Git and GitHub, use AI tools well, and plan a feature before you build it.

Open week 3 in the app

This week

  • The terminal, folders and virtual environments
  • Functions, modules and reading errors
  • Git commits, branches and GitHub
  • Using AI tools well, and using AI to learn
  • Requirements, boxes and arrows, the one-page plan

How you learn

Break something on purpose and fix it with Git. Ask an AI tool for code, then find the bug it wrote before you run it.

What you build

FRIDAY gets a home: a GitHub repo with a README, a plan, a diagram and a clean history of small commits.

Stretch: Add a GitHub Action that runs your tests on every push.

What you ship

  • A public repo a stranger can run from the README
  • A plan and diagram for FRIDAY's next part

Lessons

  1. The keyboard cockpit

    After this deck you can open a terminal (a window where you type commands), find your way around folders with pwd, ls, cd and mkdir, run a script from its own folder with python3 friday.py, and give a project its own virtual environment for the packages it installs.

    12 minFull access

  2. Recipes you can reuse

    After this deck you can write a function (a named recipe) with def and return, move functions into a module you import, and read a traceback (Python's error note) from the bottom up to fix the three errors beginners meet first.

    12 minFull access

  3. A time machine for code

    After this deck you can save your work as commits (snapshots with a note), throw away a mess with git restore, undo a bad commit with git revert, try risky ideas on a branch, and push FRIDAY's history to a repo on GitHub.

    13 minFull access

  4. The brilliant intern who never says "I don't know"

    After this deck you can brief an AI coding tool with context (what, where, what done looks like, what not to touch), ask it to plan before it edits, verify what it wrote by reading and running every line, and use it to learn by making it quiz you instead of handing you answers.

    12 minFull access

  5. Draw it before you build it

    After this deck you can turn a wish into requirements (sentences that say what done looks like), draw your project as a diagram of boxes and arrows, and fit a feature into a one-page plan with a time budget, a must-have list and a not-now list.

    12 minFull access

  6. Go deeper: the intern gets the keys

    After this deck you can explain how an agentic coding tool works in a loop, write a short project memory file, and review an AI's pull request line by line before you merge.

    12 minFull accessGo deeper · optional

Labs

Python in the browser, next to the lessons.

Weekend build

Skills you prove

Terminal & Git
Work in the terminal and keep your code safe with Git commits

Hand-picked official docs, papers and talks.