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Groups > comp.lang.python > #5358
| From | Peter Otten <__peter__@web.de> |
|---|---|
| Subject | Re: Converting a set into list |
| Date | 2011-05-14 11:33 +0200 |
| Organization | None |
| References | <iqlgj4$iet$1@speranza.aioe.org> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.1543.1305365545.9059.python-list@python.org> (permalink) |
TheSaint wrote:
> I've stumble to find a solution to get a list from a set
>
> <code>
>
>>>> aa= ['a','b','c','f']
>>>> aa
> ['a', 'b', 'c', 'f']
>>>> set(aa)
To clarify: this creates a new object, so aa is still a list.
> {'a', 'c', 'b', 'f'}
>>>> [k for k in aa]
> ['a', 'b', 'c', 'f']
So you are actually converting a list to a (new) list here. Of course it
would have worked with a set or an arbitrary iterable, too.
> </code>
> I repute the comprehension list too expensive, is there another method?
mylist = list(myset)
Do you notice the similarity to converting a list to a set?
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Converting a set into list TheSaint <nobody@nowhere.net.no> - 2011-05-14 17:02 +0800
Re: Converting a set into list Peter Otten <__peter__@web.de> - 2011-05-14 11:33 +0200
Re: Converting a set into list TheSaint <nobody@nowhere.net.no> - 2011-05-14 22:14 +0800
Re: Converting a set into list Chris Angelico <rosuav@gmail.com> - 2011-05-15 04:22 +1000
Re: Converting a set into list Ben Finney <ben+python@benfinney.id.au> - 2011-05-15 00:12 +1000
Re: Converting a set into list TheSaint <nobody@nowhere.net.no> - 2011-05-14 22:51 +0800
Re: Converting a set into list Ben Finney <ben+python@benfinney.id.au> - 2011-05-15 09:21 +1000
Re: Converting a set into list Chris Torek <nospam@torek.net> - 2011-05-15 02:11 +0000
Re: Converting a set into list SigmundV <sigmundv@gmail.com> - 2011-05-15 04:18 -0700
Re: Converting a set into list SigmundV <sigmundv@gmail.com> - 2011-05-15 04:23 -0700
Re: Converting a set into list TheSaint <nobody@nowhere.net.no> - 2011-05-15 23:56 +0800
Re: Converting a set into list Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2011-05-15 22:27 +0200
Re: Converting a set into list Daniel Kluev <dan.kluev@gmail.com> - 2011-05-16 13:37 +1100
Re: Converting a set into list Peter Otten <__peter__@web.de> - 2011-05-16 08:34 +0200
Re: Converting a set into list TheSaint <nobody@nowhere.net.no> - 2011-05-16 22:23 +0800
Re: Converting a set into list Ben Finney <ben+python@benfinney.id.au> - 2011-05-17 10:33 +1000
Re: Converting a set into list Roy Smith <roy@panix.com> - 2011-05-15 13:07 -0400
Re: Converting a set into list TheSaint <nobody@nowhere.net.no> - 2011-05-16 00:05 +0800
Re: Converting a set into list Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-05-15 16:28 +0000
Re: Converting a set into list TheSaint <nobody@nowhere.net.no> - 2011-05-16 00:35 +0800
Re: Converting a set into list Duncan Booth <duncan.booth@invalid.invalid> - 2011-05-16 10:24 +0000
Re: Converting a set into list Chris Torek <nospam@torek.net> - 2011-05-17 01:07 +0000
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