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: [-635, 250, -534, -334, -865, -531, -479, 462, -648, 354, 940, -742, 232, 925, -537]

[-640, 250, -530, -330, -860, -530, -480, 460, -650, 350, 940, -740, 230, 920, -540]