Ad hoc lists vs ad hoc tuples
Iain King
iainking at gmail.com
Wed Jan 27 07:22:30 EST 2010
On Jan 27, 10:20 am, Floris Bruynooghe <floris.bruynoo... at gmail.com>
wrote:
> One thing I ofter wonder is which is better when you just need a
> throwaway sequence: a list or a tuple? E.g.:
>
> if foo in ['some', 'random', 'strings']:
> ...
> if [bool1, bool2, boo3].count(True) != 1:
> ...
>
> (The last one only works with tuples since python 2.6)
>
> Is a list or tuple better or more efficient in these situations?
>
> Regards
> Floris
>
> PS: This is inspired by some of the space-efficiency comments from the
> list.pop(0) discussion.
I tend to use tuples unless using a list makes it easier to read. For
example:
if foo in ('some', 'random', 'strings'):
draw.text((10,30), "WHICH IS WHITE", font=font)
draw.line([(70,25), (85,25), (105,45)])
I've no idea what the performance difference is; I've always assumed
it's negligible.
Iain
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