best way to do this

Arnaud Delobelle arnodel at googlemail.com
Tue Dec 2 23:38:14 CET 2008


On Dec 2, 2:09 pm, TP <Tribulati... at Paralleles.invalid> wrote:
> Hi everybody,
>
> >>> c=[(5,3), (6,8)]
>
> From c, I want to obtain a list with 5,3,6, and 8, in any order.
> I do this:
>
> >>> [i for (i,j) in c] + [ j for (i,j) in c]
>
> [5, 6, 3, 8]
>
> Is there a quicker way to do this?
>

One list comprehension is enough:

>>> c=[(5,3), (6,8)]
>>> [x for t in c for x in t]
[5, 3, 6, 8]

HTH

--
Arnaud




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