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: [670, -84, -247, -143, -517, 113, 91]

SOLUTION: [670, -80, -250, -140, -520, 110, 90]

PROBLEM: [855, -111, -601]

SOLUTION: [860, -110, -600]

PROBLEM: [-399, -875, 104, -22, -709, -834, -233, 702, -386, 862, 356, 618, 95, -627, -964]

SOLUTION:
[-400, -880, 100, -20, -710, -830, -230, 700, -390, 860, 360, 620, 100, -630, -960]