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: [-16, -26, 560, 992, 864, 749, 974, -190, -756, -972, -177, -160, -999]

[-20, -30, 560, 990, 860, 750, 970, -190, -760, -970, -180, -160, -1000]