list*list

Tim Williams tdwdotnet at gmail.com
Mon May 1 11:43:27 EDT 2006


On 1 May 2006 08:28:12 -0700, BBands <bbands at gmail.com> wrote:
>
> There must be a better way to multiply the elements of one list by
> another:
>
> a = [1,2,3]
> b = [1,2,3]
> c = []
> for i in range(len(a)):
>         c.append(a[i]*b[i])
> a = c
> print a
> [1, 4, 9]
>
>
Something like:

>>> [ x * y  for x,y in zip(a,b) ]
[1, 4, 9]

:)
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