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: [535, -305, 181, -146, 499]

SOLUTION: [540, -300, 180, -150, 500]

PROBLEM: [307, -80, 669, 533, -803, -10, -709]

SOLUTION: [310, -80, 670, 530, -800, -10, -710]

PROBLEM: [447, -931, 906, 579, -237, 205, 827, 483, 33, -423, -29, -458]

SOLUTION:
[450, -930, 910, 580, -240, 200, 830, 480, 30, -420, -30, -460]