Write remove_all(items, x) that returns a new list with every x taken out.
remove_all([1, 2, 1, 3], 1) → [2, 3]
remove_all(['a', 'b'], 'z') → ['a', 'b']
Submit runs 4 tests, including hidden edge cases.
Each hint gives a little more help. Try on your own first.
Run your code to see the output here.