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: [-852, -788, -701, -552, 407, -539, 698, 137, -528, 763, -703, 561]

[-850, -790, -700, -550, 410, -540, 700, 140, -530, 760, -700, 560]