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: [-498, -237, -657, -406, -813, 739, -158, 964, -883, -426, 495]

[-500, -240, -660, -410, -810, 740, -160, 960, -880, -430, 500]