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: [-524, 594, 428, -409, -85, 433, -421, -207, 530, -299]

[-520, 590, 430, -410, -80, 430, -420, -210, 530, -300]