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Groups > comp.lang.python > #16788
| Date | 2011-12-07 18:07 +0000 |
|---|---|
| From | MRAB <python@mrabarnett.plus.com> |
| Subject | Re: Dynamic variable creation from string |
| References | <b078a04b-024b-48dc-b24a-8f4ce75fa238@13g2000vbu.googlegroups.com> <jbo8nm$ael$1@reader1.panix.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.3381.1323281251.27778.python-list@python.org> (permalink) |
On 07/12/2011 17:45, John Gordon wrote:
> In<b078a04b-024b-48dc-b24a-8f4ce75fa238@13g2000vbu.googlegroups.com> Massi<massi_srb@msn.com> writes:
>
>> in my script I have a dictionary whose items are couples in the form
>> (string, integer values), say
>
>> D = {'a':1, 'b':2, 'c':3}
>
>> This dictionary is passed to a function as a parameter, e.g. :
>
>> def Sum(D) :
>> return D['a']+D['b']+D['c']
>
>> Is there a way to create three variables dynamically inside Sum in
>> order to re write the function like this?
>
> Do you want to sum all the values in D? If so, that's easy:
>
> def Sum(D):
> my_sum = 0
> for item in D:
> my_sum += D[item]
> return my_sum
>
Or even:
def Sum(D):
return sum(D.values())
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Dynamic variable creation from string Massi <massi_srb@msn.com> - 2011-12-07 09:09 -0800
Re: Dynamic variable creation from string John Gordon <gordon@panix.com> - 2011-12-07 17:45 +0000
Re: Dynamic variable creation from string MRAB <python@mrabarnett.plus.com> - 2011-12-07 18:07 +0000
Re: Dynamic variable creation from string "Waldek M." <wm@localhost.localdomain> - 2011-12-07 18:46 +0100
Re: Dynamic variable creation from string Chris Angelico <rosuav@gmail.com> - 2011-12-08 04:52 +1100
Re: Dynamic variable creation from string Terry Reedy <tjreedy@udel.edu> - 2011-12-07 17:59 -0500
Re: Dynamic variable creation from string Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-08 00:03 +0000
Re: Dynamic variable creation from string Terry Reedy <tjreedy@udel.edu> - 2011-12-07 19:27 -0500
Re: Dynamic variable creation from string Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-08 01:59 +0000
Re: Dynamic variable creation from string Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2011-12-08 10:54 +0200
Re: Dynamic variable creation from string Massi <massi_srb@msn.com> - 2011-12-09 01:55 -0800
Re: Dynamic variable creation from string Peter Otten <__peter__@web.de> - 2011-12-09 12:27 +0100
Re: Dynamic variable creation from string Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-09 11:59 +0000
Re: Dynamic variable creation from string Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-09 12:03 +0000
Re: Dynamic variable creation from string Chris Angelico <rosuav@gmail.com> - 2011-12-09 23:08 +1100
Re: Dynamic variable creation from string Ethan Furman <ethan@stoneleaf.us> - 2011-12-09 12:01 -0800
Re: Dynamic variable creation from string Nobody <nobody@nowhere.com> - 2011-12-11 06:42 +0000
Re: Dynamic variable creation from string alex23 <wuwei23@gmail.com> - 2011-12-11 19:31 -0800
Re: Dynamic variable creation from string Ethan Furman <ethan@stoneleaf.us> - 2011-12-11 21:00 -0800
Re: Dynamic variable creation from string alex23 <wuwei23@gmail.com> - 2011-12-11 22:50 -0800
Re: Dynamic variable creation from string Chris Angelico <rosuav@gmail.com> - 2011-12-08 14:13 +1100
Re: Dynamic variable creation from string alex23 <wuwei23@gmail.com> - 2011-12-11 23:11 -0800
Re: Dynamic variable creation from string 88888 Dihedral <dihedral88888@googlemail.com> - 2011-12-12 04:43 -0800
Re: Dynamic variable creation from string 88888 Dihedral <dihedral88888@googlemail.com> - 2011-12-12 04:49 -0800
Re: Dynamic variable creation from string alex23 <wuwei23@gmail.com> - 2011-12-12 15:45 -0800
Re: Dynamic variable creation from string Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-12-13 01:35 +0000
Re: Dynamic variable creation from string 88888 Dihedral <dihedral88888@googlemail.com> - 2011-12-13 06:21 -0800
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