[pygtk] Doubt about tuple assignment

[Steve McClure]

You can't directly.  Tuples are not mutable. You can copy that tuple  
from that position in the list, build a new tuple and replace that  
entry in the list though.

On Jun 12, 2008, at 5:10 PM, Paolo Bacci wrote:

> Hi,
> I'm trying to assign a value into a specific position in a tuple but  
> I figured out that is not simple to do that and I nees a little help.
>
> I have this input:
> a = [ (1,2) , (3,4) , (5,6) ]
>
> And I want this output:
> a = [ (1,2) , (3,0) , (5,6) ]
>
> I just want to change position a[1][1] from this tuple
>
> I tried with the python cmd line some inputs but the closest I got  
> was this one:
>
> a = a[:2-1] + (3,0) + a[2:]
>
> Note that [2-1], the number 2 will be replaced to a var in my final  
> code.
>
> But my outpu is being:
>
> (1,2) , (3,0), 0 , (5,6)
>
> How can I take this 0 from the tuple and make it the right way?
>
> Thanks,
> Paolo Bacci.
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> Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/

--
Steve McClure
smcclure at racemi.com

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