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: [617, -190, -77, -347, 307, -999, 110, 785, -599, 706, 609, -223]

SOLUTION: [620, -190, -80, -350, 310, -1000, 110, 780, -600, 710, 610, -220]

PROBLEM: [1, 666, 923, -978, -211, -28, 833, -218, 98, 731, 275, -389, -613, -693]

SOLUTION: [0, 670, 920, -980, -210, -30, 830, -220, 100, 730, 280, -390, -610, -690]

PROBLEM: [-969, -991, -563, 543, 760, -136, -459, -45, 150, -678]

SOLUTION:
[-970, -990, -560, 540, 760, -140, -460, -40, 150, -680]