PARTNER. (require 2htdp/universe) (require 2htdp/image) (require spd/tags) (@assignment pset-05);Do not edit or remove this tag (@cwl sumi1008) ;Replace ??? with your cwl, ;; ;second ??? is replaced with partner cwl if you have one ;; Bounce any number of balls around the screen. ;; ;; In this problem set you are given our official solution to problem ;; set 4 (with a few additional things added) as a starting point. ;; We have given you some more constants, a helper function called ...