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: [-168, 838, 836, 834, -101, -504, -278, -709, 317, -33]

[-170, 840, 840, 830, -100, -500, -280, -710, 320, -30]