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: [-484, -489, 613, -939, 14, -220, 990, 330, -789, -55]

[-480, -490, 610, -940, 10, -220, 990, 330, -790, -60]