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: [-852, -277, -839, 496, 137, -471, 486, -258, -783, 797, -104]

[-850, -280, -840, 500, 140, -470, 490, -260, -780, 800, -100]