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: [209, -423, -262]

SOLUTION: [210, -420, -260]

PROBLEM: [889, -265, 43, -318, 597, -678, 621, -324, -711, 189, 810, 25, -268]

SOLUTION: [890, -260, 40, -320, 600, -680, 620, -320, -710, 190, 810, 20, -270]

PROBLEM: [725, 904, -846, -729, -900, -181, -287, -965, -849]

SOLUTION:
[720, 900, -850, -730, -900, -180, -290, -960, -850]