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: [-479, -475, -298, 484, 247, 140, 57, 484, -326, -662]

[-480, -480, -300, 480, 250, 140, 60, 480, -330, -660]