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: [820, -216, -188, 573, 708, -428, -660, 872, -49, -544]

[820, -220, -190, 570, 710, -430, -660, 870, -50, -540]