[Tutor] Re: sorting by values in dict
kalle at lysator.liu.se
Fri Nov 14 08:33:36 EST 2003
> On Thu, Nov 13, 2003 at 10:50:38AM +0100, Andrei wrote:
> > =====
> > Mail address in header catches spam. Real contact info (decode with rot13):
> > cebwrpg5 at jnanqbb.ay. Fcnz-serr! Cyrnfr qb abg hfr va choyvp cbfgf. V ernq
> > gur yvfg, fb gurer'f ab arrq gb PP.
> What is this? So a robot can't read this, right? But how do you
> decode it?
Rot13 is a very simple encryption method where you rotate each letter
13 steps alphabetically (a 13-step Caesar cipher). Example:
A -> N
C -> P
N -> A
Q -> D
Note that rot13(rot13(x)) == x.
Kalle Svensson, http://www.juckapan.org/~kalle/
Student, root and saint in the Church of Emacs.
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