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: [-73, 851, -760, -202, 90, -445, -93, 136, -766, 677, -617, -459, 136, 840, -914]

[-70, 850, -760, -200, 90, -440, -90, 140, -770, 680, -620, -460, 140, 840, -910]