Is there a .tolower() for a string??

[Colin Brown]

"Amy" <sean_bear at hotmail.com> wrote in message
news:7b1fa3cb.0311261057.ecb7325 at posting.google.com...
> I have a string say
>
> a = "Hello how are YOU"
>
> I want to end up with
>
> a = "hello how are you'
>
> Isn't there a built in method for changing a string to lowercase?
>
> Thanks.

a.lower()