On Jun 20, 9:43 pm, deathweaselx86 <deathwea...@gmail.com> wrote:
> Howdy guys, I am new.
>
> I've been converting lists to sets, then back to lists again to get
> unique lists.
> e.g
>
> Python 2.5.2 (r252:60911, Jan 20 2010, 21:48:48)
> [GCC 4.2.4 (Ubuntu 4.2.4-1ubuntu3)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.>>> foo
> = ['1','2','3']
> >>> bar = ['2','5']
> >>> foo.extend(bar)
> >>> foo = list(set(foo))
That works great and is very clear.
If you want to also preserve order, use an OrderedDict:
>>> list(OrderedDict.fromkeys('abracadabra'))
['a', 'b', 'r', 'c', 'd']
Raymond
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