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: [18, -560, 85, -437, -624, -967, -603, 543, -103, 374, -142, -147, 453, -301, 566]

[20, -560, 80, -440, -620, -970, -600, 540, -100, 370, -140, -150, 450, -300, 570]