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: [927, 81, -1, 839, 669, -679, 7, -160, -66, 524, -755, -239]

[930, 80, 0, 840, 670, -680, 10, -160, -70, 520, -760, -240]