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: [77, -669, 445, -143, 138, 987, -153, -572, -412, 424, -661, -737, 250, 825, -279]

[80, -670, 440, -140, 140, 990, -150, -570, -410, 420, -660, -740, 250, 820, -280]