partial sums problem

MRAB python at mrabarnett.plus.com
Wed Sep 29 01:36:03 CEST 2010


On 28/09/2010 23:57, kj wrote:
>
>
> The following attempt to get a list of partial sums fails:
>
>>>> s = 0
>>>> [((s += t) and s) for t in range(1, 10)]
>    File "<stdin>", line 1
>      [((s += t) and s) for t in range(1, 10)]
>            ^
> SyntaxError: invalid syntax
>
> What's the best way to get a list of partial sums?
>
Probably:

     s = 0
     p = []
     for t in range(1, 10):
         s += t
         p.append(s)



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