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: [-966, -551, -71, 576, -475, -379, -159, 209, 930, 573, 135]

[-970, -550, -70, 580, -480, -380, -160, 210, 930, 570, 140]