Lesson 42 of 79 · 15 minutes

return: getting an answer back: Vending Machine

Money goes in, change comes back out. A function can hand an answer back to your program.

What you'll learn

• Giving an answer back
• Keeping the answer
• Using an answer in a sum
• Returning from an if
• Nothing runs after return

Each idea opens with a short narrated video, about 2 minutes in all. Then you put it to work in the game.

The six levels

1. A Bigger Coin Change it
2. Double Your Money Copy and type
3. Two Sales Fill the gap
4. Enough Money? Write it
5. Never Says Thanks Fix it
6. Busy Machine Boss level

The levels go from changing one word, to writing the code on your own. The boss level changes every time you play.

New to Python? Start with the free games in Module 1.