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: [313, 919, 310, -105, -865, 311, 29, 534, 210]

SOLUTION: [310, 920, 310, -100, -860, 310, 30, 530, 210]

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: [-713, 264, 801, 810, 923, 354, -735, -601, -22, -709]

SOLUTION:
[-710, 260, 800, 810, 920, 350, -740, -600, -20, -710]