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: [-352, 508, -954, 501, -86, -712, 343, -48, 483, 743, -708, 474, 588, -670, 243]

[-350, 510, -950, 500, -90, -710, 340, -50, 480, 740, -710, 470, 590, -670, 240]