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: [-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: [919, -539, -725, -228, -42, -467, -731, 222, -360, -474, -861, 10, 694]

SOLUTION: [920, -540, -720, -230, -40, -470, -730, 220, -360, -470, -860, 10, 690]

PROBLEM: [623, -982, -146, 708, -648, -259, 105]

SOLUTION:
[620, -980, -150, 710, -650, -260, 100]