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: [-292, 855, 490, -141, 616, -65, -282, 501, -791, -511, 29, 318]

[-290, 860, 490, -140, 620, -60, -280, 500, -790, -510, 30, 320]