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: [-97, 564, 285, 63, 436, 702, 98, -272, 390, 67, 857, 474, -99]

[-100, 560, 280, 60, 440, 700, 100, -270, 390, 70, 860, 470, -100]