Re: A way to re-organize a list

2007-08-01 Thread beginner
On Aug 1, 1:31 am, Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: > On Wed, 01 Aug 2007 01:33:49 +, beginner wrote: > > On Jul 19, 10:05 am, beginner <[EMAIL PROTECTED]> wrote: > >> Hi Everyone, > > >> I have a simple list reconstruction problem, but I don't really know > >> how to do it.

Re: A way to re-organize a list

2007-07-31 Thread Marc 'BlackJack' Rintsch
On Wed, 01 Aug 2007 01:33:49 +, beginner wrote: > On Jul 19, 10:05 am, beginner <[EMAIL PROTECTED]> wrote: >> Hi Everyone, >> >> I have a simple list reconstruction problem, but I don't really know >> how to do it. >> >> I have a list that looks like this: >> >> l=[ ("A", "a", 1), ("A", "a", 2

Re: A way to re-organize a list

2007-07-31 Thread beginner
On Jul 19, 10:05 am, beginner <[EMAIL PROTECTED]> wrote: > Hi Everyone, > > I have a simple list reconstruction problem, but I don't really know > how to do it. > > I have a list that looks like this: > > l=[ ("A", "a", 1), ("A", "a", 2), ("A", "a", 3), ("A", "b", 1), ("A", > "b", 2), ("B", "a", 1)

Re: A way to re-organize a list

2007-07-19 Thread Gordon Airporte
beginner wrote: > > What I want to do is to reorganize it in groups, first by the middle > element of the tuple, and then by the first element. I'd like the > output look like this: itertools.groupby has already been mentioned, but it has a very specific and complex behavior which may not be exa

Re: A way to re-organize a list

2007-07-19 Thread marduk
On Thu, 2007-07-19 at 15:05 +, beginner wrote: > Hi Everyone, > > I have a simple list reconstruction problem, but I don't really know > how to do it. > > I have a list that looks like this: > > l=[ ("A", "a", 1), ("A", "a", 2), ("A", "a", 3), ("A", "b", 1), ("A", > "b", 2), ("B", "a", 1), (

Re: A way to re-organize a list

2007-07-19 Thread Carsten Haese
On Thu, 2007-07-19 at 15:05 +, beginner wrote: > Hi Everyone, > > I have a simple list reconstruction problem, but I don't really know > how to do it. > > I have a list that looks like this: > > l=[ ("A", "a", 1), ("A", "a", 2), ("A", "a", 3), ("A", "b", 1), ("A", > "b", 2), ("B", "a", 1), (

Re: A way to re-organize a list

2007-07-19 Thread Alex Martelli
beginner <[EMAIL PROTECTED]> wrote: > Hi Everyone, > > I have a simple list reconstruction problem, but I don't really know > how to do it. > > I have a list that looks like this: > > l=[ ("A", "a", 1), ("A", "a", 2), ("A", "a", 3), ("A", "b", 1), ("A", > "b", 2), ("B", "a", 1), ("B", "b", 1)]

A way to re-organize a list

2007-07-19 Thread beginner
Hi Everyone, I have a simple list reconstruction problem, but I don't really know how to do it. I have a list that looks like this: l=[ ("A", "a", 1), ("A", "a", 2), ("A", "a", 3), ("A", "b", 1), ("A", "b", 2), ("B", "a", 1), ("B", "b", 1)] What I want to do is to reorganize it in groups, first