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: [2, -616, 421, -970, -986, -292, 469, 910, -919, -667, 623, -315, 913]

[0, -620, 420, -970, -990, -290, 470, 910, -920, -670, 620, -320, 910]