How do I sort these?
Amaury
afa.NOSPAM at neuf.fr
Fri Oct 28 17:57:09 EDT 2005
Sam Pointon a écrit :
>>unzip doesn't seem to work for me...
>
>
> It's not a part of the standard Python distribution, but this is a
> naive implementation (it doesn't react well to the list's contents
> having different lengths).
>
> def unzip(seq):
> result = [[] for i in range(len(seq[0]))]
> for item in seq:
> for index in range(len(item)):
> result[index].append(item[index])
> return result
>
>
>>>>unzip(zip(range(5), 'abcde'))
>
> [[0, 1, 2, 3, 4], ['a', 'b', 'c', 'd', 'e']]
>
unzip() could be also be written like this:
def unzip(seq):
return zip(*seq)
Faster and nicer, isn't it?
Except that it returns a list of tuples:
>>>unzip(zip(range(5), 'abcde'))
[(0, 1, 2, 3, 4), ('a', 'b', 'c', 'd', 'e')]
--
Amaury
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