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: [-489, -964, -811, -514, -742, 621, -102, -867, 415, 292]

[-490, -960, -810, -510, -740, 620, -100, -870, 420, 290]