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: [-514, -700, 537, 831, 133, -203, 866, -378, 749, 843, 244, -396, 28, -936, 724]

[-510, -700, 540, 830, 130, -200, 870, -380, 750, 840, 240, -400, 30, -940, 720]