[Python-es] obtener diferencias entre elementos de dos listas de listas.

[Olemis Lang (Simelix)]

On Fri, Mar 5, 2010 at 11:08 AM, Olemis Lang (Simelix)
<olemis+py en gmail.com> wrote:
> On Fri, Mar 5, 2010 at 10:56 AM, Rolando Espinoza La Fuente
> <darkrho en gmail.com> wrote:
>> On Fri, Mar 5, 2010 at 11:49 AM, Ricardo Cárdenes Medina
>> <ricardo.cardenes en gmail.com> wrote:
>> [...]
>>>
>>> def compare(L1, L2):
>>>   if len(L1) <> len(L2):
>>>      return None
>>>
>>>   return [x for x,(y,z) in enumerate(zip(L1, L2)) if y <> z]
>>
>> El problema con el zip, es que te corta la lista al más corto
>>
>
> izip ?
>

{{{
#!python

>>> from itertools import izip, chain, repeat
>>> list(izip([1,2,3], chain([2,3], repeat(None))))
[(1, 2), (2, 3), (3, None)]

}}}

-- 
Regards,

Olemis.

Blog ES: http://simelo-es.blogspot.com/
Blog EN: http://simelo-en.blogspot.com/

Featured article: