tuple versus list

[Bryan]

bonono at gmail.com wrote:
> In this particular case, it seems that (width,height) looks nicer. But
> I think otherwise, list constuct is easier to read, even though it is
> supposed to be slower.
> 
> With list you can :
> [a] + [ x for x in something ]
> 
> With tuple it looks like this :
> (a,) + tuple(x for x in something)
> 
> I think the list looks cleaner. And since you cannot concat tuple with
> list, I think unless it looks obvious and natural(as in your case), use
> list.
> 


i always use the structure analogy.  if you view (width, height) as a structure, 
use a tuple.  if you view it a sequence, use a list.  in this example, i view it 
as a stucture, so i would use (width, height) as a tuple.

bryan