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: [-847, -642, 973, 569, -940, 290, -808, -592, 242, -439]

[-850, -640, 970, 570, -940, 290, -810, -590, 240, -440]