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: [-628, 991, 990, 517, 703, 821, -238, -511, -518, -56, 617, 536, -953, -54]

[-630, 990, 990, 520, 700, 820, -240, -510, -520, -60, 620, 540, -950, -50]