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: [409, -7, -277, -920, 416]

SOLUTION: [410, -10, -280, -920, 420]

PROBLEM: [-217, 64, 139, 218, 944, -163, -588, -443, 545, 365, -17, -597]

SOLUTION:
[-220, 60, 140, 220, 940, -160, -590, -440, 540, 360, -20, -600]