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: [315, 169, 909, -678, 773, -518]

SOLUTION: [320, 170, 910, -680, 770, -520]

PROBLEM: [933, 973, 38, 124, 609, -703, -786, -285, 706, -554, -958, 910, -621]

SOLUTION: [930, 970, 40, 120, 610, -700, -790, -280, 710, -550, -960, 910, -620]

PROBLEM: [391, 776]

SOLUTION:
[390, 780]

