Re: [Python-Dev] sum(...) limitation

2014年8月02日 11:17:36 -0700

On Sat, Aug 2, 2014 at 11:06 AM, Stefan Behnel <[email protected]> wrote:
> I don't think sum(strings) is beautiful enough
sum(strings) is more beautiful than ''.join(strings) in my view, but
unfortunately it does not work even for lists because the initial value
defaults to 0.
sum(strings, '') and ''.join(strings) are equally ugly and non-obvious
because they require an empty string. Empty containers are an advanced
concept and it is unfortunate that a simple job of concatenating a list of
(non-empty!) strings exposes the user to it.
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