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: [-978, -755, 88, -728, -210, 809, 939, -582, 654, -508, 871]

[-980, -760, 90, -730, -210, 810, 940, -580, 650, -510, 870]