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: [342, -714, -496, -128, -970, -73, 509, 314, -380, -308]
Output:
[340, -710, -500, -130, -970, -70, 510, 310, -380, -310]