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: [-13, 484, 714, 904, -796, -496, 109, -674]

SOLUTION: [-10, 480, 710, 900, -800, -500, 110, -670]

PROBLEM: [-20, -606, 790, 510]

SOLUTION: [-20, -610, 790, 510]

PROBLEM: [128, -6, 878, 749, 428, 545, 493, -113, -22, -307, 466, 729, 918]

SOLUTION:
[130, -10, 880, 750, 430, 540, 490, -110, -20, -310, 470, 730, 920]