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: [-118, -389, -765, -289, -952, -812, -464, -870, 631, -686, -233, 786]

[-120, -390, -760, -290, -950, -810, -460, -870, 630, -690, -230, 790]