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: [-924, 720, -84, 129, 808, 822, 21, -995, -983, -842, 884, -238, -276, 958]

[-920, 720, -80, 130, 810, 820, 20, -1000, -980, -840, 880, -240, -280, 960]