Create a function that takes a list of numbers lst and returns an inverted list.
lst
invert_list([1, 2, 3, 4, 5]) ➞ [-1, -2, -3, -4, -5] invert_list([1, -2, 3, -4, 5]) ➞ [-1, 2, -3, 4, -5] invert_list([]) ➞ []