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: [-404, -299, -642, 19, 900, -320, -410, 23, 719, -384, 157, 517]

[-400, -300, -640, 20, 900, -320, -410, 20, 720, -380, 160, 520]