← Lab 1
15:00

Now open 04 · Operators

Remember this
Operators depend on type — and correct code can still be scientifically wrong. Today's bugs do not crash.
Core
Skills 1–3, ending with the molarity calculator.
Finished when
Every self-check prints ✅ — and the number is biologically sensible, not merely error-free.
Going further
The 🧗 Going further section.
📓 Open 04 · Operators →🔑 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