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: [829, 373, 437, 584, -445, 916, -41, -99, 843, -599, -399, 221, 174, 811]

[830, 370, 440, 580, -440, 920, -40, -100, 840, -600, -400, 220, 170, 810]