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: [-278, -619, -878]

SOLUTION: [-280, -620, -880]

PROBLEM: [-456, -822, -880, -151, 800, -304, 993, 680, -178, 438, -913, 188, 345]

SOLUTION: [-460, -820, -880, -150, 800, -300, 990, 680, -180, 440, -910, 190, 340]

PROBLEM: [158, 419, -23, -599]

SOLUTION:
[160, 420, -20, -600]