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: [-836, -504, 467, 896, 988, 227, -16, -86, 648, -831, 437, 965]

SOLUTION: [-840, -500, 470, 900, 990, 230, -20, -90, 650, -830, 440, 960]

PROBLEM: [-712, 47, -909, 609, 729, -339]

SOLUTION: [-710, 50, -910, 610, 730, -340]

PROBLEM: [-423, -350, -381, -171, -273, 741, -671, 804, 247, 785, -991, -38, 585, 299, 417]

SOLUTION:
[-420, -350, -380, -170, -270, 740, -670, 800, 250, 780, -990, -40, 580, 300, 420]