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

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

PROBLEM: [633, -61, -37, -219, 361, 515, 189, -158, 698, -244]

SOLUTION: [630, -60, -40, -220, 360, 520, 190, -160, 700, -240]

PROBLEM: [405, 918, -956, -660, -88, -947, 982, 655, -337, 390, -544, -388, -698, -114]

SOLUTION:
[400, 920, -960, -660, -90, -950, 980, 660, -340, 390, -540, -390, -700, -110]