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: [-622, -129, -730, 141, -252, -744, 340, -789, -312, 979]

[-620, -130, -730, 140, -250, -740, 340, -790, -310, 980]