Functions — concept & mechanics
Why functions exist (reuse, abstraction, testability) before syntax — then live problem-solving with participants.
Video placeholder — 8–12 min
iPad walkthrough + sample code + live Q&A
iPad walkthrough + sample code + live Q&A
This lesson introduces functions from first principles: what problem they solve, why "don't repeat yourself" matters, and how parameters and return values let you write logic once and reuse it anywhere. We work through sample questions live, with participants driving the pace.
iPad whiteboardingSample codeInteractive Q&A