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: [-210, -564, 3, -925, 579, 892, 783, -640, -650, -621, 14, -24, -718]

[-210, -560, 0, -920, 580, 890, 780, -640, -650, -620, 10, -20, -720]