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: [-612, 998, -79, -133, 14, -20, 853, 858, -968, 840, -642, 432, -209, 60]

[-610, 1000, -80, -130, 10, -20, 850, 860, -970, 840, -640, 430, -210, 60]