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: [267, -112, -186, 272, -912, -518, -4, 862, -158, 265, -484, 808, -322]

[270, -110, -190, 270, -910, -520, 0, 860, -160, 260, -480, 810, -320]