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: [-991, -255, -524, -12, 961, -853, 752, 155, 210, -157, 603, 677, 600, -623]

[-990, -260, -520, -10, 960, -850, 750, 160, 210, -160, 600, 680, 600, -620]