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: [173, -334, -850, -964, -207, 507, 271, 579, 522, -55]

[170, -330, -850, -960, -210, 510, 270, 580, 520, -60]