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: [820, 152, 394, 714, 638, -533, 776, 130, -994, 305, -989, -949, 171, -900, -460]

SOLUTION: [820, 150, 390, 710, 640, -530, 780, 130, -990, 300, -990, -950, 170, -900, -460]

PROBLEM: [119, 158, -358, 566, -953, -417, -813, 131, -376]

SOLUTION: [120, 160, -360, 570, -950, -420, -810, 130, -380]

PROBLEM: [177, -224, 840, 633, -616]

SOLUTION:
[180, -220, 840, 630, -620]