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: [-942, -335, 255, 821, 64, -55, -341, 248, 42, 888, 847]

[-940, -340, 260, 820, 60, -60, -340, 250, 40, 890, 850]