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: [697, 404, 726, -120, -909, 219, 984, -423, 149, -552, 457, -737]

SOLUTION: [700, 400, 730, -120, -910, 220, 980, -420, 150, -550, 460, -740]

PROBLEM: [676, 540, -597, 423, 443, 219, -292, -295, 964, -95]

SOLUTION: [680, 540, -600, 420, 440, 220, -290, -300, 960, -100]

PROBLEM: [540, 320, -144]

SOLUTION:
[540, 320, -140]