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: [-389, 673, -372, -29, -348, -41, 701, -668, 562, 527, 523, 857, 1, 236]

[-390, 670, -370, -30, -350, -40, 700, -670, 560, 530, 520, 860, 0, 240]