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: [-691, 639, 543, 366, 60, 821, 735, -151, -138, -810, 763, 122, 363]

[-690, 640, 540, 370, 60, 820, 740, -150, -140, -810, 760, 120, 360]