[Python-Dev] sum(...) limitation (original) (raw)

Guido van Rossum guido at python.org
Fri Aug 1 23:51:54 CEST 2014


No. We just can't put all possible use cases in the docstring. :-)

On Fri, Aug 1, 2014 at 2:48 PM, Andrea Griffini <agriff at tin.it> wrote:

help(sum) tells clearly that it should be used to sum numbers and not strings, and with strings actually fails.

However sum([[1,2,3],[4],[],[5,6]], []) concatenates the lists. Is this to be considered a bug? Andrea


Python-Dev mailing list Python-Dev at python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/guido%40python.org

-- --Guido van Rossum (python.org/~guido) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-dev/attachments/20140801/7f1e5320/attachment.html>



More information about the Python-Dev mailing list