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: [-836, -504, 467, 896, 988, 227, -16, -86, 648, -831, 437, 965]

SOLUTION: [-840, -500, 470, 900, 990, 230, -20, -90, 650, -830, 440, 960]

PROBLEM: [-602, 18, 744, 677, 315, 244, -602, -159, 762, 201, 68, -729, 826, -557, -278]

SOLUTION: [-600, 20, 740, 680, 320, 240, -600, -160, 760, 200, 70, -730, 830, -560, -280]

PROBLEM: [458, -34, 601, 612]

SOLUTION:
[460, -30, 600, 610]