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: [-224, -480, -487, -533, 693, 456, 478, -858, 749, -894, -894, 439]

[-220, -480, -490, -530, 690, 460, 480, -860, 750, -890, -890, 440]