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: [-421, -891, -187, 561, 495, -482, 579, 852, 650, 107, 725, -599, -630, 555, -469]

[-420, -890, -190, 560, 500, -480, 580, 850, 650, 110, 720, -600, -630, 560, -470]