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: [47, 509, -122, 674, 794, -556, -35, -952, 284, -157]

[50, 510, -120, 670, 790, -560, -40, -950, 280, -160]