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: [-164, 962, -139, 237, 917, 98, 905, -780, 32, 402]

[-160, 960, -140, 240, 920, 100, 900, -780, 30, 400]