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: [-700, 99, 769, -838, 871, 966, -777, -629, 212, -589, -800, 223]

[-700, 100, 770, -840, 870, 970, -780, -630, 210, -590, -800, 220]