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: [-818, -979, -714, -180, 665, 331, 217, -119, 274, 156, 6, 176]

[-820, -980, -710, -180, 660, 330, 220, -120, 270, 160, 10, 180]