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: [250, 940, 273, -975, 40, 386, 845, -140, -526, 746, 738, 771]

SOLUTION: [250, 940, 270, -980, 40, 390, 840, -140, -530, 750, 740, 770]

PROBLEM: [-979, 623, -392, -669, -392, -5, -467, -839]

SOLUTION: [-980, 620, -390, -670, -390, 0, -470, -840]

PROBLEM: [-179, -995, -840, -472, 919, -697, -462, -679, -469, 678, -390, 840, 295, 130]

SOLUTION:
[-180, -1000, -840, -470, 920, -700, -460, -680, -470, 680, -390, 840, 300, 130]