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: [-517, -544, 929, -773, 88, -783, -777, 252, -24, 799, -397, 465]

[-520, -540, 930, -770, 90, -780, -780, 250, -20, 800, -400, 460]