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: [-298, 307, -324, 367, -938, 952, 495, 384, -602, 835, -582, 808]

[-300, 310, -320, 370, -940, 950, 500, 380, -600, 840, -580, 810]