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: [-771, 972, 403, -917, -202, -271, -524]

SOLUTION: [-770, 970, 400, -920, -200, -270, -520]

PROBLEM: [-309, -91, -270, -100, 548, 634, -420, 416, 266, -493, -879]

SOLUTION: [-310, -90, -270, -100, 550, 630, -420, 420, 270, -490, -880]

PROBLEM: [-555, 431, -485, -212, -461, 94, -680, -446, 71, 589, -548, 528, 689, -501, 78]

SOLUTION:
[-560, 430, -480, -210, -460, 90, -680, -450, 70, 590, -550, 530, 690, -500, 80]