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: [-316, -102, -487, -774, 665, 180, 272, -145, 391, -777, -398]

[-320, -100, -490, -770, 660, 180, 270, -140, 390, -780, -400]