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: [-769, 698, -40, -246, -423, -422, -438, -697, -857, -188, -797, 868]

[-770, 700, -40, -250, -420, -420, -440, -700, -860, -190, -800, 870]