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: [147, 276, -998, -836, -198, -120, -111, 798, -158]

[150, 280, -1000, -840, -200, -120, -110, 800, -160]