Function returns old value

[Joe Pfeiffer]

Bischoop <Bischoop at vimart.net> writes:

> I've function asking question and comparing it, if is not matching 'yes'
> it does call itself to ask question again. The problem is that when
> function is called second time it returns old value or with additional
> else statement it returns none.
>
> Code: https://bpa.st/KVGA

It calls itself again, but what does it return in that case?