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: [-629, -804, 335, 962, -400, -444, 308, 222, 515, -869, -392, -926]
Output:
[-630, -800, 340, 960, -400, -440, 310, 220, 520, -870, -390, -930]