Kth Integer From End of Array
You are given an array of integers and an integer K as arguments. Return the element that is the Kth index from the end of the array.
Assume that the argument array length will always be at least K + 1
- Must return a single integer.
- Must work with positive or negative integers
solve([1,2,3,4,5,6], 0) > 6
solve([-1,2,3,-4,5,0], 3) > 3