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: [-354, -124, -800, -979, -543, 337, 894, 373, 947, 634]

[-350, -120, -800, -980, -540, 340, 890, 370, 950, 630]