Create a function that accepts an array and returns the last item in the array. The array 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]) ➞ falsereturn the result.