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: [317, 287, -861, -105, -570, 317, 888, -230, -359]

SOLUTION: [320, 290, -860, -100, -570, 320, 890, -230, -360]

PROBLEM: [31, 791, -679, -902, 78, -170, 436]

SOLUTION: [30, 790, -680, -900, 80, -170, 440]

PROBLEM: [91, -522, 833, -328, -517, -537]

SOLUTION:
[90, -520, 830, -330, -520, -540]