Unit 4 · Thinking like a programmer
Loops: doing it again
You will be able to: trace a loop pass by pass, write one that counts, and fix one that stops a step early.
20 min See it Build it Break it Say it
Keep your progress on every device
Units 0 and 1 are open to everyone. From here on, lessons are free with an account: just your email, then a code.
- Your progress on every device
- No password: we email you a 6-digit code
- Every lesson, the live tutor and your certificates
Progress you made without an account comes with you. We only use your email to sign you in. Privacy
In a class? Join with your room code. No account needed.