Definition: In this task you will be given a list of integers. You should round each integer to the nearest tens place. That means you should round the number to the nearest multiple of 10.
Input: [-286, 404, 85, -563, 422, 755, -350, 760, -63, -442, 419, -239, -930, -17, -525]

[-290, 400, 80, -560, 420, 760, -350, 760, -60, -440, 420, -240, -930, -20, -520]