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: [-645, 278, 871, 250, 918, 852, 404, -121]

SOLUTION: [-640, 280, 870, 250, 920, 850, 400, -120]

PROBLEM: [905, -574, -635, -561, -717, 150, -704, 944, 401]

SOLUTION: [900, -570, -640, -560, -720, 150, -700, 940, 400]

PROBLEM: [-414, 592, 457, -582, 684, -280, 546, -634, -358, -825, 47, -818, -92]

SOLUTION:
[-410, 590, 460, -580, 680, -280, 550, -630, -360, -820, 50, -820, -90]