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: [403, 516, 516, 81, -424]

SOLUTION: [400, 520, 520, 80, -420]

PROBLEM: [-468, 112, 986, -115, -673, 209, 745, -623, -791]

SOLUTION: [-470, 110, 990, -120, -670, 210, 740, -620, -790]

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

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