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Groups > comp.lang.python > #30504
| From | Paul Rubin <no.email@nospam.invalid> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Slicing iterables in sub-generators without loosing elements |
| References | <mailman.1636.1348935354.27098.python-list@python.org> |
| Date | 2012-09-29 09:26 -0700 |
| Message-ID | <7xpq54u76v.fsf@ruckus.brouhaha.com> (permalink) |
| Organization | Nightsong/Fort GNOX |
Thomas Bach <thbach@students.uni-mainz.de> writes:
>>>> result = [ [('foo', 1), ('foo', 2)], [('bar', 3), ('bar', 2)] ]
> by _only_ _iterating_ over the list (caching all the elements sharing
> the same first element doesn't count)?
itertools.groupby(data, lambda (x,y) : x)
is basically what you want.
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Slicing iterables in sub-generators without loosing elements Thomas Bach <thbach@students.uni-mainz.de> - 2012-09-29 18:14 +0200
Re: Slicing iterables in sub-generators without loosing elements Paul Rubin <no.email@nospam.invalid> - 2012-09-29 09:26 -0700
Re: Slicing iterables in sub-generators without loosing elements Thomas Bach <thbach@students.uni-mainz.de> - 2012-09-29 18:44 +0200
Re: Slicing iterables in sub-generators without loosing elements 88888 Dihedral <dihedral88888@googlemail.com> - 2012-09-30 17:58 -0700
Re: Slicing iterables in sub-generators without loosing elements Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-01 09:19 +0100
Re: Slicing iterables in sub-generators without loosing elements Ramchandra Apte <maniandram01@gmail.com> - 2012-10-02 09:12 -0700
Re: Slicing iterables in sub-generators without loosing elements Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-02 17:44 +0100
Re: Slicing iterables in sub-generators without loosing elements Ramchandra Apte <maniandram01@gmail.com> - 2012-10-02 20:21 -0700
Re: Slicing iterables in sub-generators without loosing elements Ramchandra Apte <maniandram01@gmail.com> - 2012-10-02 20:21 -0700
Re: Slicing iterables in sub-generators without loosing elements Chris Angelico <rosuav@gmail.com> - 2012-10-03 03:58 +1000
Re: Slicing iterables in sub-generators without loosing elements Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-03 00:57 +0000
Re: Slicing iterables in sub-generators without loosing elements 88888 Dihedral <dihedral88888@googlemail.com> - 2012-10-02 18:11 -0700
Re: Slicing iterables in sub-generators without loosing elements Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-03 01:24 +0000
Re: Slicing iterables in sub-generators without loosing elements 88888 Dihedral <dihedral88888@googlemail.com> - 2012-10-02 18:42 -0700
Re: Slicing iterables in sub-generators without loosing elements Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-02 19:35 +0100
Re: Slicing iterables in sub-generators without loosing elements Terry Reedy <tjreedy@udel.edu> - 2012-10-02 14:59 -0400
Re: Slicing iterables in sub-generators without loosing elements Ramchandra Apte <maniandram01@gmail.com> - 2012-10-02 09:12 -0700
Re: Slicing iterables in sub-generators without loosing elements 88888 Dihedral <dihedral88888@googlemail.com> - 2012-10-02 13:54 -0700
Re: Slicing iterables in sub-generators without loosing elements 88888 Dihedral <dihedral88888@googlemail.com> - 2012-10-02 13:54 -0700
Re: Slicing iterables in sub-generators without loosing elements 88888 Dihedral <dihedral88888@googlemail.com> - 2012-09-30 17:58 -0700
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