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: [-910, -698, -550, 418, 500, -109, 350, 43, 339, -28, 423]

[-910, -700, -550, 420, 500, -110, 350, 40, 340, -30, 420]