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: [587, -319, 629, 251, 797, 970, 843, 775, -849, 503, 221, 143, 143]

[590, -320, 630, 250, 800, 970, 840, 780, -850, 500, 220, 140, 140]