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: [-155, 69, 229, 956, 500, 386, 376, 664, 624, -527, -282, -404]

[-160, 70, 230, 960, 500, 390, 380, 660, 620, -530, -280, -400]