lightweight encryption of text file

[Paul Rubin]

Daniel Fetchinson <fetchinson at googlemail.com> writes:
>>    http://www.nightsong.com/phr/crypto/p3.py
>
> Thanks a lot, currently I'm having trouble using this code on python
> 2.6 but probably some small tweaking will fix it.

Yikes, this is the first I've heard of such a problem.  I will 
look into it.  Thanks.  (Also thanks to Robert for the recommendation).