KwickClips Python · 42 sec · free
What is an exception?
Short answer. An error that happens while the program runs.
What happens if an exception is not handled?
The program crashes.
Errors while running
| Code | Exception |
|---|---|
| 1000 / 0 | ZeroDivision |
| int("ten") | ValueError |
| [1, 2][5] | IndexError |
Remember
| Exception: error while running |
| Not handled? The program crashes |
No typing mistake. So why did it crash? An exception is an error while running. Divide by zero, zero division error. Int of letters, value error. Bad position, index error. It is a runtime error. Unhandled, it crashes the program.
This clip is from the full lesson: Exception Handling: try, except, else and finally — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 12 Computer Science (083), Programming All levels Python, Programming All levels Python, Programming All levels Python
More KwickClips from this lesson
Does else run when there is an exception?44 sec
Why avoid a bare except?39 sec
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