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: [47, 74, 257, 157, -580, 522, 211, -303, 12, 560, -837, -185]

[50, 70, 260, 160, -580, 520, 210, -300, 10, 560, -840, -180]