partial sums problem

Gary Herron gherron at digipen.edu
Wed Sep 29 01:29:50 CEST 2010


On 09/28/2010 03:57 PM, 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?
>
> TIA!
>
> kj
>    


Program in C (if that's what you want), or learn Python (if you'd 
prefer), but don't try to mix the two.

Python does have "s+=t" as a statement, and it does have list 
comprehensions [... for ...] as expressions,  but you cannot put a 
statement inside an expression.

-- 
Gary Herron, PhD.
Department of Computer Science
DigiPen Institute of Technology
(425) 895-4418




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