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: [-706, 172, 259, 95, -140, 829, 646, -508, -374, -682, 145, -966, -202, 785, 442]

[-710, 170, 260, 100, -140, 830, 650, -510, -370, -680, 140, -970, -200, 780, 440]