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: [-902, -921, -678, 111, 103, -492, 123, 592, -300, -549]

[-900, -920, -680, 110, 100, -490, 120, 590, -300, -550]