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: [220, 642, -967, 711, -781, 791, -498, -805, 496, -41, 425, 26, 39, -209]

[220, 640, -970, 710, -780, 790, -500, -800, 500, -40, 420, 30, 40, -210]