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: [-840, -496, -811, 27, -894, -429, -185, -469, 738, -814]

[-840, -500, -810, 30, -890, -430, -180, -470, 740, -810]