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: [-555, 431, -485, -212, -461, 94, -680, -446, 71, 589, -548, 528, 689, -501, 78]

[-560, 430, -480, -210, -460, 90, -680, -450, 70, 590, -550, 530, 690, -500, 80]