Emptying a list

[Alex Martelli]

Ype Kingma wrote:
        ...
> When you need to remove some of the elements in a list you could
> also use list comprehensions, but these always create a new list:
> 
>     a = [i for i in a if not someRemoveCondition(i)]

Sure, but assigning to the whole-list-slice remedies that:

    a[:] = [i for i in a if not someRemoveCondition(i)]


Alex