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: [-43, 260, 877, -505, -120, -664, -920, -612, 367, -293, -912, -75, -409, 142, 570]

[-40, 260, 880, -500, -120, -660, -920, -610, 370, -290, -910, -80, -410, 140, 570]