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: [-235, -548, 690, 39, 481, 206, -311, -806, 883, 901, 322, 346, -405, 635]

[-240, -550, 690, 40, 480, 210, -310, -810, 880, 900, 320, 350, -400, 640]