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: [607, -421, 179, 380, 715, 415, -837, 711, 723, 175, 612, -578]

[610, -420, 180, 380, 720, 420, -840, 710, 720, 180, 610, -580]