Lesson 66 of 79 · 15 minutes
Debugging like a detective: Detective Desk
Every broken program is a case. Read the clues, form a theory, test it, then fix it.
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What you'll learn
- Reading a traceback
- The four usual suspects
- Printing to investigate
- Where it crashed isn't where the bug is
- Bugs with no error at all
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
- The Clue Sheet Change it
- Name That Error Copy and type
- Stake It Out Fill the gap
- Follow the Trail Write it
- No Error, Wrong Answer Fix it
- Crack the Case 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.