[Python-ideas] Intermediate Summary: Fast sum() for non-numbers

[M.-A. Lemburg]

I don't understand why people try to use sum() for anything
other than a sequence of numbers.

If you want to flatten a list, use a flatten function.

Here's a performance comparison of a few possible implementations:

http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python

Pick one and you're fine :-)

-- 
Marc-Andre Lemburg
eGenix.com

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