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: [207, -524, 185, 667, -736, -61, -411, -479, -698, 771, 3, -688, 687, 546, -861]

[210, -520, 180, 670, -740, -60, -410, -480, -700, 770, 0, -690, 690, 550, -860]