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: [439, 614, 18, -860, 766, -826, -729, -73, -675, -945, 632, 93, -620]

[440, 610, 20, -860, 770, -830, -730, -70, -680, -940, 630, 90, -620]