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: [-287, 29, -937, 759, 423, 432, -443, 489, -351, -487]

[-290, 30, -940, 760, 420, 430, -440, 490, -350, -490]