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: [293, 885, -496, -877, -422, -149, 227, 133, 316, 35, 263, 54, 94, -391, -891]
Output:
[290, 880, -500, -880, -420, -150, 230, 130, 320, 40, 260, 50, 90, -390, -890]