KwickClips Python · 39 sec · free
How do you find a bad line?
Short answer. Print values in the middle.
What is a dry run?
Running the program by hand on paper.
Remember
| Print values in the middle |
| Dry run: trace values on paper |
Your discount program gives a wrong price. How do you find the bad line? Ten percent of one hundred twenty is twelve. Printing cut shows one hundred twenty. So line two is wrong. Print values in the middle. Or dry run it on paper.
This clip is from the full lesson: Errors in Python: Syntax, Logical and Run-time Errors — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083), CBSE Class 11 Computer Science Essentials (083)
More KwickClips from this lesson
Which error lets nothing run?41 sec
Which traceback line do you read first?40 sec
Why no error message?40 secVoice-over is AI-generated; the script is written and checked by Kajal Ma'am. Confirm anything you plan around against your official board document. We never ask for a password or an OTP.