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: [-286, -499, 220, -138, 145, -55, -67, -914, 105, -909, -389, -608]

[-290, -500, 220, -140, 140, -60, -70, -910, 100, -910, -390, -610]