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: [398, -467, 644, -130, 970, -450, -332, 236, 681, 553, 468, -447, -28, 270, 562]

[400, -470, 640, -130, 970, -450, -330, 240, 680, 550, 470, -450, -30, 270, 560]