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: [-99, 237, -537, 365, -959, 369, 922, 349, 259, 598, -137, -173, -671, -34, -923]

[-100, 240, -540, 360, -960, 370, 920, 350, 260, 600, -140, -170, -670, -30, -920]