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: [747, -285, -445, 24, -494, -915, -383, -557, 20, -353, 140, -891, -849, 789]

[750, -280, -440, 20, -490, -920, -380, -560, 20, -350, 140, -890, -850, 790]