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: [-602, 18, 744, 677, 315, 244, -602, -159, 762, 201, 68, -729, 826, -557, -278]

SOLUTION: [-600, 20, 740, 680, 320, 240, -600, -160, 760, 200, 70, -730, 830, -560, -280]

PROBLEM: [-458, 206, -77, 449, -271, 239, -408, 391, -790, -371, 502, -626, -69, 287, -122]

SOLUTION: [-460, 210, -80, 450, -270, 240, -410, 390, -790, -370, 500, -630, -70, 290, -120]

PROBLEM: [895, 835, -930]

SOLUTION:
[900, 840, -930]