harrismh777 <harrismh...@charter.net> writes:
> Seriously, these little one liners teach me more about the python
> language in less time than [...]
def f(x,n,w): return x if n==1 else\
(lambda x0=f(x[::2],n/2,w[::2]),\
x1=f(x[1::2],n/2,w[::2]): reduce(lambda a,b: a+b ,\
zip(*[(x0[k]+w[k]*x1[k],\
x0[k]-w[k]*x1[k])\
for k in range(n/2)])))()
it was a joke of sort played on it.comp.lang.python
[thanks to marco (zip(*...)) and antonio (lambda with default
arguments)]
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