Howdy,
On Thu, Jul 9, 2009 at 15:16, Sean<sberr...@gmail.com> wrote:
> I have a huge list, 10,000,000+ items. Each item is a dictionary with
> fields used to sort the list. When I have completed sorting I want to
> grab a page of items, say 1,000 of them which I do easily by using
> list_data[x:x+1000]
>
> Now I want to add an additional key/value pair to each dictionary in
> the list, incrementing them by 1 each time. So, if I grabbed page 2
> of the list I would get:
>
> [{'a':'a', 'b':'b', 'position':1001}, {'c':'c', 'd':'d', 'position':
> 1002}, ...]
>
I don't get it, what do you increment by one, the value of a given key
or the number of key/value pairs? Also, if the 'position' key is the
index of the item in the list, then I don't understand what you mean
by 'page'. Could you tell us about the structure of these
dictionaries?
> Any way to do that with list comprehension? Any other good way to do
> it besides iterating over the list?
>
> Thanks
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> http://mail.python.org/mailman/listinfo/python-list
>
--
Pablo Torres N.
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