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: [-938, -601, 390, 953, -770, -619, -809, -440, 142, 488]

[-940, -600, 390, 950, -770, -620, -810, -440, 140, 490]