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: [-772, 258, -275, -297, 343, 265, -716, -694, 473, 568, 901, -904]

[-770, 260, -280, -300, 340, 260, -720, -690, 470, 570, 900, -900]