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: [438, 929, -940, 476, 31, -717, 554, -279, -431, 555, -588, 155]

[440, 930, -940, 480, 30, -720, 550, -280, -430, 560, -590, 160]