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: [-299, -981, -161, 781, -551, -567, 717, 418, 482, 365, 621, -596, 806]

[-300, -980, -160, 780, -550, -570, 720, 420, 480, 360, 620, -600, 810]