restriction on sum: intentional bug?
ryles
rylesny at gmail.com
Fri Oct 16 18:53:01 EDT 2009
On Oct 16, 11:39 am, Alan G Isaac <alan.is... at gmail.com> wrote:
> I expected this to be fixed in Python 3:
>
> >>> sum(['ab','cd'],'')
>
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> TypeError: sum() can't sum strings [use ''.join(seq) instead]
Then you probably haven't read through these discussions:
sum and strings: http://mail.python.org/pipermail/python-list/2006-August/subject.html
summing a bunch of numbers: http://mail.python.org/pipermail/python-dev/2003-April/subj
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