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: [-469, -469, 920, 218, 255, 671, -395, 48, -309, 853, -909, 373]

[-470, -470, 920, 220, 260, 670, -400, 50, -310, 850, -910, 370]