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: [-503, 670, -533, -556, -514, -546, 10, -908, -151, 314, 137, -965, -600, 70, -83]

[-500, 670, -530, -560, -510, -550, 10, -910, -150, 310, 140, -960, -600, 70, -80]