[6/27][31/183] Add answer about lists stuff
[6/27][31/183] Add answer about lists stuff

(= (elt x y) (nth y x)) # inverse equality

About the 'last'... is a little weird, instead return the last
element, returns a list with the last element.

(last '(1 2 3)) => '(3)

DestructHub/lisp-koans-answers