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Groups > comp.lang.python > #29480
| From | Peter Otten <__peter__@web.de> |
|---|---|
| Subject | Re: A little morning puzzle |
| Date | 2012-09-19 13:33 +0200 |
| Organization | None |
| References | <k3c9jb$2gr$1@ger.gmane.org> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.908.1348054351.27098.python-list@python.org> (permalink) |
Neal Becker wrote:
> I have a list of dictionaries. They all have the same keys. I want to
> find the set of keys where all the dictionaries have the same values.
Suggestions?
>>> items = [
... {1:2, 2:2},
... {1:1, 2:2},
... ]
>>> first = items[0].items()
>>> [key for key, value in first if all(item[key] == value for item in
items)]
[2]
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Re: A little morning puzzle Peter Otten <__peter__@web.de> - 2012-09-19 13:33 +0200
csiph-web