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: [-640, 146, 6, -895, 49, -580, -552, -829, -414, -950, -166, 944, -288, 197]

[-640, 150, 10, -900, 50, -580, -550, -830, -410, -950, -170, 940, -290, 200]