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: [-870, 429, -512, 326, 413, -271, 302, -466, 432, -465, 742, 70, 897]

[-870, 430, -510, 330, 410, -270, 300, -470, 430, -460, 740, 70, 900]