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: [-253, -353, -21, -839, 247, 935, -389, 437, -59, -709, -131]

[-250, -350, -20, -840, 250, 940, -390, 440, -60, -710, -130]