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: [-540, 584, 972, 224, -207, -511, -686, -998, 121, -985]

[-540, 580, 970, 220, -210, -510, -690, -1000, 120, -980]