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: [825, 246, 510, 798, 618, 922, -315, 406, -728, 786, -884, 833, 204, -813, 969]

[820, 250, 510, 800, 620, 920, -320, 410, -730, 790, -880, 830, 200, -810, 970]