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: [422, 810, 928, 115, -719, -154, 140, 488, -542, 423, 137, -841, 656]

[420, 810, 930, 120, -720, -150, 140, 490, -540, 420, 140, -840, 660]