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: [-17, 316, -198, -267, -560, -87, 427, -931, -31, 366, 27, 211]

[-20, 320, -200, -270, -560, -90, 430, -930, -30, 370, 30, 210]