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: [-221, 99, 396, -538, 52, -920, 539, -632, 323, -911, -377, 327, -436]

[-220, 100, 400, -540, 50, -920, 540, -630, 320, -910, -380, 330, -440]