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: [495, -465, -838, 398, -762, 83, 858, 621, 698, -239, -387, -565]

[500, -460, -840, 400, -760, 80, 860, 620, 700, -240, -390, -560]