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: [-450, -33, 887, -63, -409, 783, -876, -200, -351, 934, 391, -733, -427, 637]

[-450, -30, 890, -60, -410, 780, -880, -200, -350, 930, 390, -730, -430, 640]