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: [-36, -677, 652, 569, -747, 787, -152, 786, -673, 687, -207, -840, -26]

[-40, -680, 650, 570, -750, 790, -150, 790, -670, 690, -210, -840, -30]