Problem I have with a while loop/boolean/or
hg
hg at nospam.org
Tue Mar 13 16:17:54 EDT 2007
israphelr at googlemail.com wrote:
> Hi all.
>
> I have a problem with some code :(
>
> -----------
>
> hint = raw_input("\nAre you stuck? y/n: ")
> hint = hint.lower()
>
> while (hint != 'n') or (hint != 'y'):
> hint = raw_input("Please specify a valid choice: ")
>
> ---------------------------------------------
>
> so everytime I run the program, and enter my choice as y or n, I'm
> told to 'Please Specify a valid Choice Again' and can't get out of the
> loop.
>
>
>
> -----------
>
> hint = raw_input("\nAre you stuck? y/n: ")
> hint = hint.lower()
>
> while (hint != 'n'):
> hint = raw_input("Please specify a valid choice: ")
>
> ---------------------------------------------
>
> As for here when I enter n, I can leave the while loop.
>
> Anyway I can't put my finger on this, so I'd be real grateful if
> someone could tell me what I've done wrong. Thanks.
> (I have a guy feeling it's something really silly I'm overlooking...)
Hi,
Whatever hint is:
(hint != 'n') or (hint != 'y')
is always going to be true
as it cannot really be both at the same time
use "and" instead of "or"
hg
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