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: [-215, -533, -369, 303, -613, 960, -783, -624, -602, 561, -562, 818]

[-220, -530, -370, 300, -610, 960, -780, -620, -600, 560, -560, 820]