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: [689, 881, 839, -754, 349, -675, -642]

SOLUTION: [690, 880, 840, -750, 350, -680, -640]

PROBLEM: [475, 203, 224, -1000, 496, 979, -800]

SOLUTION: [480, 200, 220, -1000, 500, 980, -800]

PROBLEM: [-964, -676, 644, 612, -766, -941, 320, -291, 721]

SOLUTION:
[-960, -680, 640, 610, -770, -940, 320, -290, 720]