← Lab 1
15:00

Now open 03 · Data types

Remember this
96 and "96" print identically and behave completely differently — "96" * 3 is "969696". The type decides what a value can do.
Core
Skills 1–4 — one per type — then The type trap.
Finished when
Every self-check cell prints a green ✅ — not just “no error”.
Going further
The 🧗 Going further section.
📓 Open 03 · Data types →🔑 Solutions — try it first, they are more use afterwards

If you get stuck

  1. 1Read the traceback — the last line names the problem
  2. 2Compare with the demo cell directly above
  3. 3Ask your neighbour
  4. 4Ask a demonstrator
  5. 5Ask Gemini — after you have tried the first four