Why this code is giving runtime error in test case 2? please help me

link to my code

Hello @sirraghavgupta ,
Refer to this.

If you are unable to figure out your mistake, let me know.

Hope,this would help.
Give a like if you are satisfied.

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.