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: [53, -575, 316, -755, -457, -71, -694, 174, -87, 207, 454, 786]

[50, -580, 320, -760, -460, -70, -690, 170, -90, 210, 450, 790]