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: [-690, 722, -189, 735, -755, 430, 872, -330, -829, 46, -103, 210]

[-690, 720, -190, 740, -760, 430, 870, -330, -830, 50, -100, 210]