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: [-398, 599]

SOLUTION: [-400, 600]

PROBLEM: [-339, -989, -267, 503, -834, -627, 680, -64, 98, 540, 100]

SOLUTION: [-340, -990, -270, 500, -830, -630, 680, -60, 100, 540, 100]

PROBLEM: [140, 204]

SOLUTION:
[140, 200]