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: [-207, -23, -936, -482, 607, -443, 743, 351, 999, -402]

[-210, -20, -940, -480, 610, -440, 740, 350, 1000, -400]