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: [-419, -573, -539, 183, 688, -579, -611, 766, 511, -12, -681, 563, 159, 808, -17]

[-420, -570, -540, 180, 690, -580, -610, 770, 510, -10, -680, 560, 160, 810, -20]