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: [974, 303, 41, -436, 561, 337, -389, 668, 427, 719, -784, 146, 557]

SOLUTION: [970, 300, 40, -440, 560, 340, -390, 670, 430, 720, -780, 150, 560]

PROBLEM: [309, -658, -583]

SOLUTION: [310, -660, -580]

PROBLEM: [-858, 219, 943, -553]

SOLUTION:
[-860, 220, 940, -550]