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: [209, -423, -262]

SOLUTION: [210, -420, -260]

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

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

PROBLEM: [865, 467, 888, 407, 19, 834, 10, 954]

SOLUTION:
[860, 470, 890, 410, 20, 830, 10, 950]