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: [-553, -378, -239, 894, 602, 757, 207, -676, 393, -68, 737, 858]

[-550, -380, -240, 890, 600, 760, 210, -680, 390, -70, 740, 860]