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: [36, 201, 18]

SOLUTION: [40, 200, 20]

PROBLEM: [-21, 29, 362, -924, -389, 437, 576, -518, 565, 225, -658, -841, -571]

SOLUTION: [-20, 30, 360, -920, -390, 440, 580, -520, 560, 220, -660, -840, -570]

PROBLEM: [-873, -290, -799, 478, 161, -703, -776, -882, -574, -697, 321]

SOLUTION:
[-870, -290, -800, 480, 160, -700, -780, -880, -570, -700, 320]