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: [-556, 630, 584, 839, 299, -422, 716, -735, -281, -635]

[-560, 630, 580, 840, 300, -420, 720, -740, -280, -640]