[Tutor] packing a list of lists

[vince spicer]

On Fri, Aug 28, 2009 at 10:49 AM, kevin parks <kp8 at me.com> wrote:

>
> Thanks for the replies. Though the list comprehension does not work:
>
> TypeError: enumerate() takes exactly 1 argument (2 given)
>
>
> On Aug 29, 2009, at 12:20 AM, vince spicer wrote:
>
>
>>
>>       #print foohough I didn't test your code, I think what you are trying
>> to accomplish can be done using enumerate cleaner
>>
>>
>> def pack(foo):
>>    out = []
>>    for x,y in enumerate(foo, 1):
>>        out.append((x,y))
>>    return out
>>
>>
>>
>>
>> Or even cleaner with list comprehension
>>
>> def pack(foo):
>>    return [x for x in enumerate(foo, 1)]
>>
>>
>>
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What version of python are using, python 2.6+ have a "start" parameter

http://docs.python.org/library/functions.html#enumerate
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