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: [-119, 508, 475, 770, -562, 530, -548, -585, 396, 92, -13, 510]

SOLUTION: [-120, 510, 480, 770, -560, 530, -550, -580, 400, 90, -10, 510]

PROBLEM: [346, 941, -91, 532, 947, -327, -553, 276, -44, -89, -639, 674, -339, -562, -620]

SOLUTION: [350, 940, -90, 530, 950, -330, -550, 280, -40, -90, -640, 670, -340, -560, -620]

PROBLEM: [504, -407, 157, 750, 23, 221, -365, 317, -121, 618, 808, -987]

SOLUTION:
[500, -410, 160, 750, 20, 220, -360, 320, -120, 620, 810, -990]