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: [-793, -340, -501, -349, -537, -590, 445, 492, 605, 457, -272, 471]

[-790, -340, -500, -350, -540, -590, 440, 490, 600, 460, -270, 470]