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Groups > comp.lang.python > #56418
| From | random832@fastmail.us |
|---|---|
| References | <26151b64-4f5e-4ee9-81ac-26679932f43d@googlegroups.com> |
| Subject | Re: converting letters to numbers |
| Date | 2013-10-08 11:36 -0400 |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.859.1381246619.18130.python-list@python.org> (permalink) |
On Tue, Oct 8, 2013, at 10:28, kjakupak@gmail.com wrote:
> I have to define a function add(c1, c2), where c1 and c2 are capital
> letters; the return value should be the sum (obtained by converting the
> letters to numbers, adding mod 26, then converting back to a capital
> letter).
>
> All I have so far is:
>
> def add(c1, c2):
> ord(c1) - ord('a') + 1
> ord(c2) - ord('a') + 1
>
> I know I need to use ord and chr, just not sure how.
Your description says capital letters, but 'a' is a lowercase letter.
Does "mod 26" means A is 1, or is it 0? i.e., is A+A = B or is it A?
What should your function do if the letter isn't a capital letter from
the basic set of 26 English letters?
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converting letters to numbers kjakupak@gmail.com - 2013-10-08 07:28 -0700
Re: converting letters to numbers Robert Day <robertkday@gmail.com> - 2013-10-08 15:47 +0100
Re: converting letters to numbers kjakupak@gmail.com - 2013-10-08 07:51 -0700
Re: converting letters to numbers Joel Goldstick <joel.goldstick@gmail.com> - 2013-10-08 11:01 -0400
Re: converting letters to numbers random832@fastmail.us - 2013-10-08 11:36 -0400
Re: converting letters to numbers kjakupak@gmail.com - 2013-10-08 08:44 -0700
Re: converting letters to numbers random832@fastmail.us - 2013-10-08 11:58 -0400
Re: converting letters to numbers Tim Roberts <timr@probo.com> - 2013-10-13 20:13 -0700
Re: converting letters to numbers Steven D'Aprano <steve@pearwood.info> - 2013-10-14 05:02 +0000
Re: converting letters to numbers Charles Hixson <charleshixsn@earthlink.net> - 2013-10-16 12:18 -0700
Re: converting letters to numbers Piet van Oostrum <piet@vanoostrum.org> - 2013-10-16 16:25 -0400
Re: converting letters to numbers Rotwang <sg552@hotmail.co.uk> - 2013-10-16 23:39 +0100
Re: converting letters to numbers MRAB <python@mrabarnett.plus.com> - 2013-10-16 23:53 +0100
Re: converting letters to numbers Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-10-17 01:21 +0100
Re: converting letters to numbers Tim Roberts <timr@probo.com> - 2013-10-19 16:31 -0700
Re: converting letters to numbers rusi <rustompmody@gmail.com> - 2013-10-20 01:33 -0700
Re: converting letters to numbers Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-10-08 17:05 +0100
Re: converting letters to numbers Dave Angel <davea@davea.name> - 2013-10-08 21:24 +0000
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