In article <98cc6556-11f3-4850-bd2b-30481b530...@mssm.edu>,
Yingjie Lin <yingjie....@mssm.edu> wrote:
> I have two lists:
>
> li1 = ['a', 'b']
> li2 = ['1', '2']
>
> and I wish to obtain a list like this
>
> li3 = ['a1', 'a2', 'b1', 'b2']
>
> Is there a handy and efficient function to do this, especially when li1 and
> li2 are long lists.
> I found zip() but it only gives [('a', '1'), ('b', '2')], not exactly what I
> am looking for.
>>> from itertools import product
>>> li1 = ['a', 'b']
>>> li2 = ['1', '2']
>>> li3 = list("".join(x) for x in product(li1, li2))
>>> li3
['a1', 'a2', 'b1', 'b2']
--
Ned Deily,
n...@acm.org
--
http://mail.python.org/mailman/listinfo/python-list
