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: [938, -156, -487, 174, -557, -421, -157, 64, 496, -200]

[940, -160, -490, 170, -560, -420, -160, 60, 500, -200]