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: [-46, 510, -797, 684, 443, 355, -84, -983, 766, 461, 788, -812, -528, 308, 779]

[-50, 510, -800, 680, 440, 360, -80, -980, 770, 460, 790, -810, -530, 310, 780]