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: [-340, 422, -285, 723, 709, -937, -512, -227, -498, 605, -988, 175, 495]

[-340, 420, -280, 720, 710, -940, -510, -230, -500, 600, -990, 180, 500]