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: [301, 226, 825, -460, -528, 22, 568, -506, -736, 686, -712, 927, 54, 921, -716]

[300, 230, 820, -460, -530, 20, 570, -510, -740, 690, -710, 930, 50, 920, -720]