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: [-460, -574, 694, 918, 193, -254, -847, 576, -717, 502, -647, -339, -321, 473, 727]

[-460, -570, 690, 920, 190, -250, -850, 580, -720, 500, -650, -340, -320, 470, 730]