TASK 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.
PROBLEM: [70, 501, -164, -674, -370, -334, -514, 647, 457, -595, -394, 998, 861]

SOLUTION: [70, 500, -160, -670, -370, -330, -510, 650, 460, -600, -390, 1000, 860]

PROBLEM: [173, -99, 526, -398, 360, -510, 143, 225, 340, 329, 36]

SOLUTION: [170, -100, 530, -400, 360, -510, 140, 220, 340, 330, 40]

PROBLEM: [518, 821, 640, -439, -906, 626, 674, -919]

SOLUTION:
[520, 820, 640, -440, -910, 630, 670, -920]