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: [-571, -416, 63, -497, -210, 805, 398, -110, -530, 528, 15]

[-570, -420, 60, -500, -210, 800, 400, -110, -530, 530, 20]