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: [551, 421, 318, 849, -629, 984, 126, 456, 626, -497, -814]

[550, 420, 320, 850, -630, 980, 130, 460, 630, -500, -810]