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: [121, 314, -826, -292, -470, 662, 401, 486]

SOLUTION: [120, 310, -830, -290, -470, 660, 400, 490]

PROBLEM: [88, 742, -221, 12, 216, 677, -1, -34]

SOLUTION: [90, 740, -220, 10, 220, 680, 0, -30]

PROBLEM: [-599, 262, 855, -560, -199, 695, 990, -794, 610, -971, 840, -239, -540, 799]

SOLUTION:
[-600, 260, 860, -560, -200, 700, 990, -790, 610, -970, 840, -240, -540, 800]