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: [798, 798, -335, 453, 478, 835, 404, 580, 836, 563, -179, -832, -840, 231, -184]

[800, 800, -340, 450, 480, 840, 400, 580, 840, 560, -180, -830, -840, 230, -180]