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: [-664, -3, -824, 207, -603, 946, -895, -19, -386, 108, 902, 244, 507, -19]

[-660, 0, -820, 210, -600, 950, -900, -20, -390, 110, 900, 240, 510, -20]