Help fix all the bugs in the function increment_items! It is intended to add 1 to every element in the list!
increment_items([0, 1, 2, 3]) ➞ [1, 2, 3, 4]
increment_items([2, 4, 6, 8]) ➞ [3, 5, 7, 9]
increment_items([-1, -2, -3, -4]) ➞ [0, -1, -2, -3]
Make sure to read every line carefully.