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: [-443, -687, 6, -374, 999, -272, -820, 243, 462, 735, -151, -367, 663, -518, -274]

[-440, -690, 10, -370, 1000, -270, -820, 240, 460, 740, -150, -370, 660, -520, -270]