mixin_unrelated_objects.js

let bird = {
  name: "Donald",
  numLegs: 2
};

let boat = {
  name: "Warrior",
  type: "race-boat"
};

// Only change code below this line
function glideMixin(obj) {
  obj.glide = function() {
}
}

glideMixin(bird);
glideMixin(boat);