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: [-25, -474, -257, 825, 20, 325, 975, 217, 770, -915, -102, 126]

[-20, -470, -260, 820, 20, 320, 980, 220, 770, -920, -100, 130]