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: [-507, 371, 141, 767, -52, -85, -763, 255, -586, 235, 805, 884]

[-510, 370, 140, 770, -50, -80, -760, 260, -590, 240, 800, 880]