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: [-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]

PROBLEM: [820, 152, 394, 714, 638, -533, 776, 130, -994, 305, -989, -949, 171, -900, -460]

SOLUTION: [820, 150, 390, 710, 640, -530, 780, 130, -990, 300, -990, -950, 170, -900, -460]

PROBLEM: [560, -602, 471, 645, -708, -861, 349, -569]

SOLUTION:
[560, -600, 470, 640, -710, -860, 350, -570]