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: [-404, -299, -642, 19, 900, -320, -410, 23, 719, -384, 157, 517]

SOLUTION: [-400, -300, -640, 20, 900, -320, -410, 20, 720, -380, 160, 520]

PROBLEM: [964, -652, -364, -90, -744, 144]

SOLUTION: [960, -650, -360, -90, -740, 140]

PROBLEM: [-613, 121, 422, -478]

SOLUTION:
[-610, 120, 420, -480]