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: [-275, -268, 937, 997, 951, -537, 521, 246, -284, 113, -431, 483]

[-280, -270, 940, 1000, 950, -540, 520, 250, -280, 110, -430, 480]