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: [-394, 721, -940, -176, 949, 822, 536, -327, 214, 856, 350, -367]

[-390, 720, -940, -180, 950, 820, 540, -330, 210, 860, 350, -370]