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: [-393, -10, -846, -322, -43, -558, 446, 850, 333, -929, -958, 39, 89, -695, 911]

[-390, -10, -850, -320, -40, -560, 450, 850, 330, -930, -960, 40, 90, -700, 910]