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: [689, 881, 839, -754, 349, -675, -642]

SOLUTION: [690, 880, 840, -750, 350, -680, -640]

PROBLEM: [729, -961, -155, 877, 417, 907, -659, -327, 375, 970, -466]

SOLUTION:
[730, -960, -160, 880, 420, 910, -660, -330, 380, 970, -470]