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: [-398, 599]

SOLUTION: [-400, 600]

PROBLEM: [-242, 850, -430, 391, 295, 594, 313]

SOLUTION: [-240, 850, -430, 390, 300, 590, 310]

PROBLEM: [357, -866, -122, 354, 3, -495, -758, 109, -163, 821, 32, 624, 547, -118]

SOLUTION:
[360, -870, -120, 350, 0, -500, -760, 110, -160, 820, 30, 620, 550, -120]