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: [855, -111, -601]

SOLUTION: [860, -110, -600]

PROBLEM: [-670, -597, -886, 849, 258, -102, -137, -277, 279, 21, 817, 923]

SOLUTION: [-670, -600, -890, 850, 260, -100, -140, -280, 280, 20, 820, 920]

PROBLEM: [819, -784, -303, 480, -941, -16, -789, 245]

SOLUTION:
[820, -780, -300, 480, -940, -20, -790, 240]