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: [776, -916, -369, 634, -623, -548, -566, -757, 710, 540]

[780, -920, -370, 630, -620, -550, -570, -760, 710, 540]