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: [-18, 102, 762, -309, 287, 302, -702, 249, -856, 535]

[-20, 100, 760, -310, 290, 300, -700, 250, -860, 540]