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: [935, 308, 926, 189, -145, 896, 909, 26, -182, -858, -812]

[940, 310, 930, 190, -140, 900, 910, 30, -180, -860, -810]