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: [-995, -507, 450, 418, -21, 487, 351, -825, -149, 837]

[-1000, -510, 450, 420, -20, 490, 350, -820, -150, 840]