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: [823, -333, 746, 117, -60, -383, -761, -816, -463, -506, 41, 786, 823, -104]

SOLUTION: [820, -330, 750, 120, -60, -380, -760, -820, -460, -510, 40, 790, 820, -100]

PROBLEM: [-107, -577, -126, 598, -542, -590, 329, 230, 517]

SOLUTION: [-110, -580, -130, 600, -540, -590, 330, 230, 520]

PROBLEM: [-786, 126, 421]

SOLUTION:
[-790, 130, 420]