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: [-338, 815, -361, -162, 473, -842, -481, 737, 214, -518, 205, -206, -73, -796]

[-340, 820, -360, -160, 470, -840, -480, 740, 210, -520, 200, -210, -70, -800]