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: [534, -396, 153, 740, 607, 728, -835, 464, -512, -813]

[530, -400, 150, 740, 610, 730, -840, 460, -510, -810]