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: [-414, -835, 146, -324, -192, -253, -38, -447, -20, 872]

[-410, -840, 150, -320, -190, -250, -40, -450, -20, 870]