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: [-698, 110, -517, -378, -105, -458, 360, 76, 414, -420, 77, 311, -81, -298, -34]

[-700, 110, -520, -380, -100, -460, 360, 80, 410, -420, 80, 310, -80, -300, -30]