Bernard Lebel wrote:
>  Hello,
>  
>  I have this list wich is made of tuples. I wish I could "flatten" this
>  list, that is, to extract each element in the tuples and build a new
>  flat list with it. Is there any shortcut to do that or do I have to go
>  through some list comprehension-like procedure?

If the list is just nested one deep and every element is a tuple then a single list comprehe
nsion will do it:

 > >> l=[(1,2), (3,4)]
 > >> [ x for t in l for x in t ]
[1, 2, 3, 4]

Kent

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