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: [-212, 868, -144, 743, -982, 561, 363, -429, 942, 228, 482, -319, -304]

[-210, 870, -140, 740, -980, 560, 360, -430, 940, 230, 480, -320, -300]