Create a function that accepts a list and returns the last item in the list. The list can be either homogeneous or heterogeneous.
get_last_item([1, 2, 3]) ➞ 3
get_last_item(["cat", "dog", "duck"]) ➞ "duck"
get_last_item([True, False, True]) ➞ True
get_last_item([7, "String", False]) ➞ False
return the result.