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: [-865, 603, -586, -492, -452, -22, -334, 926, 628, 572, -906, 459, -240, 306, -246]

[-860, 600, -590, -490, -450, -20, -330, 930, 630, 570, -910, 460, -240, 310, -250]