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: [-19, -445, 11, 164, -312, -854, 350, 326, -489, -559, 199, 465, -329, -289, 688]

[-20, -440, 10, 160, -310, -850, 350, 330, -490, -560, 200, 460, -330, -290, 690]