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: [214, -906, -729, -551, 378, -56, -174, -686, 767, 351, -567, 144, -342, 250, 746]

[210, -910, -730, -550, 380, -60, -170, -690, 770, 350, -570, 140, -340, 250, 750]