In message <877hkdhyl5....@dpt-info.u-strasbg.fr>, Alain Ketterlin wrote:
> Lawrence D'Oliveiro <l...@geek-central.gen.new_zealand> writes:
>
>> What I don’t like is having that intermediate variable L leftover after
>> the computation.
>
> Well, it also guarantees that the square root is computed once.
OK, this version should solve that problem, without requiring any new
language features:
V = tuple \
(
x
/
l
for x in V
for l in
(math.sqrt(reduce(lambda a, b : a + b, (y * y for y in V), 0)),)
)
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