map/filter/reduce/lambda opinions and background unscientific mini-survey

[Sion Arrowsmith]

=?ISO-8859-2?Q?Pawe=B3?= Sakowski  <pawel at sakowski.pl> wrote:
>>>> ll=[[1,2],[3,4,5],[6]]
>>>> sum(ll,[])
>[1, 2, 3, 4, 5, 6]

That's a great argument for list.__add__ having the semantics of
extend rather than append 8-)

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