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: [440, 891, 452, -959, -499, 130, 351, 855, 53, 601, -726, 71]

SOLUTION: [440, 890, 450, -960, -500, 130, 350, 860, 50, 600, -730, 70]

PROBLEM: [604, 650, 591, -896, -949, 146, 441, 950]

SOLUTION:
[600, 650, 590, -900, -950, 150, 440, 950]