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: [-672, -426, 24, -136, -962, 260, -669, -242, 757, -195, -491, -759, 29, 178, -477]

[-670, -430, 20, -140, -960, 260, -670, -240, 760, -200, -490, -760, 30, 180, -480]