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| Date | Thu, 18 Aug 2011 07:45:10 -0500 |
| From | Tim Chase <python.list@tim.thechases.com> |
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| Subject | Re: lists and for loops |
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On 08/18/2011 07:22 AM, Mark Niemczyk wrote: > Or, using list comprehension. > >>>> numbers = [1, 2, 3, 4, 5] >>>> numbers = [n + 5 for n in numbers] >>>> numbers > [6, 7, 8, 9, 10] Or, if you want it in-place: numbers[:] = [n+5 for n in numbers] which makes a difference if you have another reference to numbers: >>> numbers = [1,2,3,4,5] >>> digits = numbers >>> numbers = [n+5 for n in numbers] >>> numbers, digits ([6, 7, 8, 9, 10], [1, 2, 3, 4, 5]) >>> numbers = [1,2,3,4,5] >>> digits = numbers >>> numbers[:] = [n+5 for n in numbers] >>> numbers, digits ([6, 7, 8, 9, 10], [6, 7, 8, 9, 10]) -tkc
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lists and for loops Emily Anne Moravec <moravec@stolaf.edu> - 2011-08-17 20:08 -0700
Re: lists and for loops alex23 <wuwei23@gmail.com> - 2011-08-17 20:23 -0700
Re: lists and for loops Mark Niemczyk <prahamark@gmail.com> - 2011-08-18 05:22 -0700
Re: lists and for loops Tim Chase <python.list@tim.thechases.com> - 2011-08-18 07:45 -0500
Re: lists and for loops Peter Pearson <ppearson@nowhere.invalid> - 2011-08-18 16:43 +0000
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