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Groups > comp.lang.python > #83580
| From | Peter Otten <__peter__@web.de> |
|---|---|
| Subject | Re: extracting numbers with decimal places from a string |
| Date | 2015-01-12 01:09 +0100 |
| Organization | None |
| References | (4 earlier) <8077448.xvuXrbCisO@PointedEars.de> <mailman.17599.1421016900.18130.python-list@python.org> <2182977.fJl0o3iPdP@PointedEars.de> <mailman.17600.1421019325.18130.python-list@python.org> <1786463.stBbe1naGD@PointedEars.de> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.17603.1421021375.18130.python-list@python.org> (permalink) |
Thomas 'PointedEars' Lahn wrote:
> Joel Goldstick wrote:
>
>> On Sun, Jan 11, 2015 at 6:12 PM, Thomas 'PointedEars' Lahn
>> <PointedEars@web.de> wrote:
>>> Joel Goldstick wrote:
>>>> Am I missing something.
>>> ^
>>> […]
>>> You are missing a leading space character because in the string the
>>> comma was followed by one.
>>
>> I see that now. Performing float on each element of the list will
>> take care of that, or I guess .strip() on each first.
>
> As I showed, .strip() is unnecessary. But float() is always necessary for
> computing the sum and suffices indeed together with s.split() if s is just
> a comma-separated list of numeric strings with optional whitespace leading
> and trailing the comma:
>
> print(sum(map(lambda x: float(x), s.split(',')))
>
> Please trim your quotes to the relevant minimum.
Hm, can you explain what this
lambda x: float(x)
is supposed to achieve? I mean other than to confuse a newbie...
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extracting numbers with decimal places from a string Store Makhzan <store0a@gmail.com> - 2015-01-11 11:31 -0800
Re: extracting numbers with decimal places from a string Joel Goldstick <joel.goldstick@gmail.com> - 2015-01-11 15:06 -0500
Re: extracting numbers with decimal places from a string Store Makhzan <store0a@gmail.com> - 2015-01-11 12:26 -0800
Re: extracting numbers with decimal places from a string Joel Goldstick <joel.goldstick@gmail.com> - 2015-01-11 16:42 -0500
Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-11 23:20 +0100
Re: extracting numbers with decimal places from a string Joel Goldstick <joel.goldstick@gmail.com> - 2015-01-11 17:54 -0500
Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 00:12 +0100
Re: extracting numbers with decimal places from a string Joel Goldstick <joel.goldstick@gmail.com> - 2015-01-11 18:35 -0500
Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 00:46 +0100
Re: extracting numbers with decimal places from a string Peter Otten <__peter__@web.de> - 2015-01-12 01:09 +0100
Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 01:45 +0100
Re: extracting numbers with decimal places from a string Chris Angelico <rosuav@gmail.com> - 2015-01-12 11:17 +1100
Re: extracting numbers with decimal places from a string Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-12 11:45 +1100
Re: extracting numbers with decimal places from a string Grant Edwards <invalid@invalid.invalid> - 2015-01-11 23:06 +0000
Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 00:07 +0100
Re: extracting numbers with decimal places from a string Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-01-12 00:04 +0000
Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 02:00 +0100
Re: extracting numbers with decimal places from a string MRAB <python@mrabarnett.plus.com> - 2015-01-12 00:59 +0000
Re: extracting numbers with decimal places from a string Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-12 12:13 +1100
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