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: [-305, -774, 707, 213, 452, 195, 824, -306, -473, 847, -3, -171]

[-300, -770, 710, 210, 450, 200, 820, -310, -470, 850, 0, -170]