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: [-916, 504, 646, -492, -399, 493, 310, -12, -684, -876, -816]

[-920, 500, 650, -490, -400, 490, 310, -10, -680, -880, -820]