DOUBT REGARDING QUESTION

In this question both uppercase and lowercase are allowed as input??

hello @dhruv.mahajan.mait

try to make a generalise program.
any type of character can be present in the input string

if the input is AbCd
then??

its valid .
compute difference and print

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.