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: [-178, 384, -50, 338, -123, 841, -439, -879, -562, 122, -856, -9, 307]

[-180, 380, -50, 340, -120, 840, -440, -880, -560, 120, -860, -10, 310]