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: [-269, -301, -843, -419, -462, -746, 961, 911, -708, 868, -988, -318, -657, -949, 691]

[-270, -300, -840, -420, -460, -750, 960, 910, -710, 870, -990, -320, -660, -950, 690]