recursive function: use a global or pass a parameter?

[Yawar Amin]

On Friday, January 16, 2015 at 9:24:15 PM UTC-5, Yawar Amin wrote:
> [...]
>         vals.extend(curr_obj.values())

Ah, I should mention that the above will do a breadth-first search. If
we want to do a depth-first search we simply replace the above line
with:

    vals.extendleft(curr_obj.values())

Regards,

Yawar