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: [-240, -77, 424, 910, -123, 547, 698, 546, 357, 944, -580, 17]

[-240, -80, 420, 910, -120, 550, 700, 550, 360, 940, -580, 20]