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: [-251, 996, -849, 939, 582, -19, 173, 792, -312, 8]

[-250, 1000, -850, 940, 580, -20, 170, 790, -310, 10]