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: [-271, -193, -776, -954, 951, 565, -377, 928, 572, -439, -560, -270, -386, -663, -397]

[-270, -190, -780, -950, 950, 560, -380, 930, 570, -440, -560, -270, -390, -660, -400]