// https://www.freecodecamp.org/learn/coding-interview-prep/data-structures/remove-items-from-a-set-in-es6

function checkSet() {
  // Only change code below this line
  var set = new Set([1, 2, 3, 4, 5]);
  set.delete(2);
  set.delete(5);
  // Only change code above this line
  return set;
}