Lesson 54 of 79 · 15 minutes

Text as a sequence: Code Breaker

Decode intercepted notes to open a series of locks. A string is just a row of characters.

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What you'll learn

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. First Letter Change it
  2. Cut It Up Copy and type
  3. Backwards Fill the gap
  4. Is It Urgent? Write it
  5. Change One Letter Fix it
  6. Decode Anything 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.