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: [-82, 847, -489, -546, -834, 733, -989, 693, -567, 783, -456, 986, -423]

[-80, 850, -490, -550, -830, 730, -990, 690, -570, 780, -460, 990, -420]