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: [-160, -413, 46, -539, 72, -340, -765, -31, -358, -719, -101, -452, 80, -266, 440]

[-160, -410, 50, -540, 70, -340, -760, -30, -360, -720, -100, -450, 80, -270, 440]