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: [857, 939, 288, 995, 732, -686, -991, -999, -895, 911, 366, 577, 311, 411, -362]

[860, 940, 290, 1000, 730, -690, -990, -1000, -900, 910, 370, 580, 310, 410, -360]