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: [818, -539, -555, 977, -882, -88, 646, -544, -960, -730, -623, 706, -804]

[820, -540, -560, 980, -880, -90, 650, -540, -960, -730, -620, 710, -800]