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: [-513, 854, 847, -326, -423, 204, 497, -388, 79, 233, -942, -687]

[-510, 850, 850, -330, -420, 200, 500, -390, 80, 230, -940, -690]