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: [-309, -91, -270, -100, 548, 634, -420, 416, 266, -493, -879]

SOLUTION: [-310, -90, -270, -100, 550, 630, -420, 420, 270, -490, -880]

PROBLEM: [475, 441, -91, 630, 509]

SOLUTION: [480, 440, -90, 630, 510]

PROBLEM: [562, 676, -654, 35, -670, 725, -148, -861, 291, -528, -315, -702, 33]

SOLUTION:
[560, 680, -650, 40, -670, 720, -150, -860, 290, -530, -320, -700, 30]