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: [-316, -353, -987, 219, 707, 26, -459, -620, -495, -674, 116, -230, -569, -724, 921]

SOLUTION: [-320, -350, -990, 220, 710, 30, -460, -620, -500, -670, 120, -230, -570, -720, 920]

PROBLEM: [246, -599, -415, 652]

SOLUTION: [250, -600, -420, 650]

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]