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: [336, -316, -464, -616, -631, 119, 62, 636, 210, 820]

[340, -320, -460, -620, -630, 120, 60, 640, 210, 820]