Programming puzzles: processing lists!

[DavidM]

(04-24-2017 09:32 PM)Claudio L. Wrote:  Actually, all you have to do is put that list inside a list:

{1 2 3 } {1 2 3} 1 ->LIST +

it's simpler, though most likely slower, as you are essentially creating 2 lists instead of 1.

That's much cleaner. Good solution!