https://onlinegdb.com/iU4Gzj3Wa

why this code is giving 0 as answer?

hi @hittasehgal
try this -->

hi @hittasehgal
I hope it’s clear now??

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.