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: [-43, -30, 29, -862, -348, -865, -874, 982, -634, -893, -946, -818]

[-40, -30, 30, -860, -350, -860, -870, 980, -630, -890, -950, -820]