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Groups > comp.lang.python > #108073
| From | Jussi Piitulainen <jussi.piitulainen@helsinki.fi> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Not x.islower() has different output than x.isupper() in list output... |
| Date | 2016-05-03 17:42 +0300 |
| Organization | A noiseless patient Spider |
| Message-ID | <lf5inyvdwyz.fsf@ling.helsinki.fi> (permalink) |
| References | (5 earlier) <CAPTjJmq4ce8qBTFW5aszP4tZSu8tB5Dc6Y9im4pH1znDGbR0GQ@mail.gmail.com> <mailman.339.1462271120.32212.python-list@python.org> <lf5r3dje63l.fsf@ling.helsinki.fi> <CAPTjJmqt77gQSm11VDMYviZeFq6uTYUJdkPa8toUA2TejS1Lnw@mail.gmail.com> <mailman.341.1462276849.32212.python-list@python.org> |
Chris Angelico writes:
> On Tue, May 3, 2016 at 9:25 PM, Jussi Piitulainen wrote:
>> Chris Angelico writes:
>>
>>> This assumes, of course, that there is a function swapcase which can
>>> return a string with case inverted. I'm not sure such a function
>>> exists.
>>
>> str.swapcase("foO")
>> 'FOo'
>
> I suppose for this discussion it doesn't matter if it's imperfect.
Not sure. I may have misunderstood what this discussion is about - I
thought you had forgotten that Python has this function :)
>>>> "\N{ANGSTROM SIGN}".swapcase().swapcase() == "\N{ANGSTROM SIGN}"
> False
>>>> "\N{LATIN SMALL LETTER SHARP S}".swapcase().swapcase()
> 'ss'
>
> But drawing the analogy with the negation of real numbers implies
> something that doesn't exist.
I missed the relevance of that analogy.
Ceterum censeo, the only suggested use for .swapcase I've ever heard of
is encryption.
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Re: Not x.islower() has different output than x.isupper() in list output... Christopher Reimer <christopher_reimer@icloud.com> - 2016-04-29 18:55 -0700
Re: Not x.islower() has different output than x.isupper() in list output... Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-04-30 17:47 +1200
Re: Not x.islower() has different output than x.isupper() in list output... pavlovevidence@gmail.com - 2016-05-03 03:00 -0700
Re: Not x.islower() has different output than x.isupper() in list output... Chris Angelico <rosuav@gmail.com> - 2016-05-03 20:25 +1000
Re: Not x.islower() has different output than x.isupper() in list output... Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-05-03 14:25 +0300
Re: Not x.islower() has different output than x.isupper() in list output... Chris Angelico <rosuav@gmail.com> - 2016-05-03 22:00 +1000
Re: Not x.islower() has different output than x.isupper() in list output... DFS <nospam@dfs.com> - 2016-05-03 09:01 -0400
Re: Not x.islower() has different output than x.isupper() in list output... Chris Angelico <rosuav@gmail.com> - 2016-05-03 23:13 +1000
Re: Not x.islower() has different output than x.isupper() in list output... DFS <nospam@dfs.com> - 2016-05-03 09:19 -0400
Re: Not x.islower() has different output than x.isupper() in list output... Chris Angelico <rosuav@gmail.com> - 2016-05-03 23:23 +1000
Re: Not x.islower() has different output than x.isupper() in list output... Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-05-03 17:49 +0300
Re: Not x.islower() has different output than x.isupper() in list output... DFS <nospam@dfs.com> - 2016-05-03 11:12 -0400
Re: Not x.islower() has different output than x.isupper() in list output... Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-05-03 18:27 +0300
Re: Not x.islower() has different output than x.isupper() in list output... Grant Edwards <grant.b.edwards@gmail.com> - 2016-05-03 15:42 +0000
Re: Not x.islower() has different output than x.isupper() in list output... Terry Reedy <tjreedy@udel.edu> - 2016-05-03 12:37 -0400
Re: Not x.islower() has different output than x.isupper() in list output... Steven D'Aprano <steve@pearwood.info> - 2016-05-04 13:28 +1000
Re: Not x.islower() has different output than x.isupper() in list output... DFS <nospam@dfs.com> - 2016-05-04 10:09 -0400
Re: Not x.islower() has different output than x.isupper() in list output... Chris Angelico <rosuav@gmail.com> - 2016-05-05 00:37 +1000
Re: Not x.islower() has different output than x.isupper() in list output... Steven D'Aprano <steve@pearwood.info> - 2016-05-05 01:37 +1000
Re: Not x.islower() has different output than x.isupper() in list output... DFS <nospam@dfs.com> - 2016-05-04 17:05 -0400
Re: Not x.islower() has different output than x.isupper() in list output... Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-05-03 17:42 +0300
Re: Not x.islower() has different output than x.isupper() in list output... Steven D'Aprano <steve@pearwood.info> - 2016-05-04 11:30 +1000
Re: Not x.islower() has different output than x.isupper() in list output... Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2016-05-04 20:34 +1200
Re: Not x.islower() has different output than x.isupper() in list output... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-05-04 19:06 +1000
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