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: [-580, -729, 164, 435, -294, -842, 410, -382, -720, -16, 284, -190, 28]

[-580, -730, 160, 440, -290, -840, 410, -380, -720, -20, 280, -190, 30]