What is Exception?
In code, a runtime failure the system raises when something goes wrong and normal flow cannot continue.

TypeError raised · flow stops
An exception is…
Write it in your own words in the app.
In real work
Read the exception message from the failing test before you ask the agent to patch it.
In the illustration
A part arrives the wrong shape for the die; the trip flag snaps up with an error tag, the belt halts and nothing passes on.
Explain this exception in your coding agent in plain words: what went wrong, which line raised it, and the smallest fix.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
Go further
01Practice
Make it stick
One term a day, a short quiz, and sentence practice that checks your own words.
02Verify
Prove you know it
Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.
03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.





