Simple algorithm question - how to reorder a sequence economically

[Robert Kern]

On 2013-05-24 14:43, Chris Angelico wrote:
> On Fri, May 24, 2013 at 11:23 PM, Peter Brooks
> <peter.h.m.brooks at gmail.com> wrote:
>> Actually, thinking about
>> it, there is probably a source of non-algorithmically-derived 'random'
>> numbers somewhere on the net that would do the job nicely.
>
> True entropy is usually provided by a source such as /dev/random (on
> Unix systems). It's sometimes referred to as "cryptographic"
> randomness, due to its necessity in secure encryption work. There are
> various ways to get this in a cross-platform way.

os.random() and os.urandom(), particularly.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco