On 10 February 2010 01:24, Ben Finney <ben+python at benfinney.id.au> wrote:
> The classic example is rot-13 encryption of text in internet messages;
> it would be a failure of imagination to suggest there are not other,
> similar use cases.
That's built-in:
>>> "Hello World!".encode('rot-13')
'Uryyb Jbeyq!'
--
Cheers,
Simon B.