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: [-564, -51, -377, 765, 421, 101, 480, 35, -1000, -205, -276, -765, 862, -854]

[-560, -50, -380, 760, 420, 100, 480, 40, -1000, -200, -280, -760, 860, -850]