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: [36, 201, 18]

SOLUTION: [40, 200, 20]

PROBLEM: [-438, -401, 619, 85, 704, -756]

SOLUTION:
[-440, -400, 620, 80, 700, -760]