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: [-407, -742, 736, -771, -16, -387, -10, 378, -364, -435, 675]

[-410, -740, 740, -770, -20, -390, -10, 380, -360, -440, 680]