Unique Elements in a List

[Aahz]

In article <87psvzikjk.fsf at titan.staselog.com>,
Edvard Majakari  <edvard+news at majakari.net> wrote:
>James Stroud <jstroud at mbi.ucla.edu> writes:
>>
>> from sets import Set
>>
>> data = [0.1,0.5,0.6,0.4,0.1,0.5,0.6,0.9]
>>
>> [x for x in Set(data) if data.count(x) == 1]
>
>Um.
>
>...I must have missed something, but I'll post nevertheless:
>
>wouldn't just
>
>[x for x in data if data.count(x) == 1]
>
>suffice? it is also "stable"  preserving order of items. Lemme demo:

Only for small datasets -- this is an O(N^2) algorithm.
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

"And if that makes me an elitist...I couldn't be happier."  --JMS