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: [-583, 372, 454, 739, 171, -65, -219, -115, 727, 939, -129, 595, 737, -589, 52]

[-580, 370, 450, 740, 170, -60, -220, -120, 730, 940, -130, 600, 740, -590, 50]