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: [-845, 71, 195, -164, -774, -487, -210, 58, 588, 163, 368, -643, 391]

[-840, 70, 200, -160, -770, -490, -210, 60, 590, 160, 370, -640, 390]