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: [19, -805, 286, 47, -854, -806, 764, 742, 425, 304, 863, 662, -256, -662]

[20, -800, 290, 50, -850, -810, 760, 740, 420, 300, 860, 660, -260, -660]