array of array of float
Fredrik Lundh
fredrik at pythonware.com
Sun Jul 9 14:02:58 EDT 2006
Summercoolness at gmail.com wrote:
> i used C too much and haven't used Python for a while...
>
> like in C, if we want an array of array of float, we use
>
> float a[200][500];
>
> now in Python, seems like we have to do something like
>
> a = [ [ ] ] * 200
>
> and then just use
>
> a[1].append(12.34) etc
>
> but it turns out that all 200 elements points to the same list...
> and i have to use
>
> a = [ ]
> for i in range (0, 200):
> a.append([ ])
>
> is there a simpler way... i wonder...
this is FAQ:
http://pyfaq.infogami.com/how-do-i-create-a-multidimensional-list
</F>
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