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: [-747, -538, -594, 730, -596, 318, -502, -390, 183, -384, 233, 664, 994]

[-750, -540, -590, 730, -600, 320, -500, -390, 180, -380, 230, 660, 990]