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: [-427, -590, -793, 841, 345, -370, -124, -518, 921, 499]

[-430, -590, -790, 840, 340, -370, -120, -520, 920, 500]