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: [653, 664, -410, 988, 412, -586, -431, -570, -257, 892, 405, -786, -378, -260]

[650, 660, -410, 990, 410, -590, -430, -570, -260, 890, 400, -790, -380, -260]