[a,b,c,d] = 1,2,3,4

[Joel Goldstick]

On Tue, Aug 25, 2015 at 10:16 AM, ast <nomail at invalid.com> wrote:
>>>> [a,b,c,d] = 1,2,3,4
>>>> a
>
> 1
>>>>
>>>> b
>
> 2
>>>>
>>>> c
>
> 3
>>>>
>>>> d
>
> 4
>
> I have never seen this syntax before. Is it documented.
> Is there a name for that ?
>
> thx
> --
> https://mail.python.org/mailman/listinfo/python-list

its called list unpacking or packing (?)

the right side is considered a tuple because of the commas
>>> a = 1,2,3
>>> a
(1, 2, 3)
>>> a[1]
2
>>>


http://www.developer.com/lang/other/article.php/630101/Learn-to-Program-using-Python-Unpacking-Tuples.htm


-- 
Joel Goldstick
http://joelgoldstick.com