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: [-809, -89, 414, 821, 365, 983, 677, 385, 802, -634, 896, 781, 78, 925]

[-810, -90, 410, 820, 360, 980, 680, 380, 800, -630, 900, 780, 80, 920]