pairs from a list

[George Sakkis]

On Jan 21, 10:20 pm, Alan Isaac <ais... at american.edu> wrote:
> I want to generate sequential pairs from a list.
> Here is a way::
>
>     from itertools import izip, islice
>     for x12 in izip(islice(x,0,None,2),islice(x,1,None,2)):
>         print x12
>
> (Of course the print statement is just illustrative.)
> What is the fastest way? (Ignore the import time.)

Look up the timeit module and test yourself the various alternatives;
that's the most reliable way to tell for sure.

George