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: [-529, 686, -140, -683, 47, -61, 397, -114, 967, -852, -981, 83, -302, -254, 954]

[-530, 690, -140, -680, 50, -60, 400, -110, 970, -850, -980, 80, -300, -250, 950]