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: [611, 623, 672, -821, 82, -154, 811, -355, 983, -589, -948, -747]

SOLUTION: [610, 620, 670, -820, 80, -150, 810, -360, 980, -590, -950, -750]

PROBLEM: [535, -305, 181, -146, 499]

SOLUTION: [540, -300, 180, -150, 500]

PROBLEM: [307, -671, 488, 454, -436, 272, 141, 846, 273]

SOLUTION:
[310, -670, 490, 450, -440, 270, 140, 850, 270]