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: [31, -624, 555, 290, 21, -839, -133, -558, 144, 383, 876, -135, 349]

[30, -620, 560, 290, 20, -840, -130, -560, 140, 380, 880, -140, 350]