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: [510, 147, -145, 190, -254, 521, 203, -815, -110, 928, 868, -37, 993]

[510, 150, -140, 190, -250, 520, 200, -820, -110, 930, 870, -40, 990]