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: [-29, 704, 326, 478, 979, -288, 484, -773, -817]

SOLUTION: [-30, 700, 330, 480, 980, -290, 480, -770, -820]

PROBLEM: [-411, 136, 100, -782, -633, 104]

SOLUTION: [-410, 140, 100, -780, -630, 100]

PROBLEM: [-107, -577, -126, 598, -542, -590, 329, 230, 517]

SOLUTION:
[-110, -580, -130, 600, -540, -590, 330, 230, 520]