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: [-577, 588, 586, -754, -890, -450, -242]

SOLUTION: [-580, 590, 590, -750, -890, -450, -240]

PROBLEM: [-638, 723, 469, -320, -612, -715, -416, -268, 889, 546]

SOLUTION: [-640, 720, 470, -320, -610, -720, -420, -270, 890, 550]

PROBLEM: [-521, 443, -948, 921]

SOLUTION:
[-520, 440, -950, 920]