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: [-957, -87, 473, 36, 691, -161, -555, 603, 100, -757, 856]

[-960, -90, 470, 40, 690, -160, -560, 600, 100, -760, 860]