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: [-340, 522, -433, -233, -886, 984, -124, 386, 574, -845, -289, 128, -713]

[-340, 520, -430, -230, -890, 980, -120, 390, 570, -840, -290, 130, -710]