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: [-712, 47, -909, 609, 729, -339]

SOLUTION: [-710, 50, -910, 610, 730, -340]

PROBLEM: [475, 203, 224, -1000, 496, 979, -800]

SOLUTION: [480, 200, 220, -1000, 500, 980, -800]

PROBLEM: [851, -910]

SOLUTION:
[850, -910]