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: [-668, 320, 428, -525, -983, 798, 162, 191, -46, 313, 890, -860, 652]

[-670, 320, 430, -520, -980, 800, 160, 190, -50, 310, 890, -860, 650]