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: [315, 169, 909, -678, 773, -518]

SOLUTION: [320, 170, 910, -680, 770, -520]

PROBLEM: [-292, 855, 490, -141, 616, -65, -282, 501, -791, -511, 29, 318]

SOLUTION: [-290, 860, 490, -140, 620, -60, -280, 500, -790, -510, 30, 320]

PROBLEM: [234, -242, 60, 532, -434, 692, -908]

SOLUTION:
[230, -240, 60, 530, -430, 690, -910]