what has python added to programming languages? (lets beesoteric, shall we ; )

[Fredrik Lundh]

dadapapa at googlemail.com wrote:

> Examples for this are one-liners like
>
>     x,y = y,x
>     a,b,c = f(x)
>     for key in my_dict : do_some_thing_with(my_dict[key])
>
> It might be that Guido adapted such notations from ABC, a language I am
> not familiar with

something like:

    PUT (x, y) IN y, x
    PUT f x y IN y, x
    FOR key IN keys my_dict:
        DO_SOME_THING_WITH my_dict[key]
</F>