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: [485, 674, 409, -734, 531, -80]

SOLUTION: [480, 670, 410, -730, 530, -80]

PROBLEM: [924, 158, -736, 524, 298, 317, -571, 811, 579, -358, 204]

SOLUTION: [920, 160, -740, 520, 300, 320, -570, 810, 580, -360, 200]

PROBLEM: [-641, 18, -223, -435, 943, 662, -306, -803, -154, 366, 249, 974]

SOLUTION:
[-640, 20, -220, -440, 940, 660, -310, -800, -150, 370, 250, 970]