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: [-831, 535, 218, 526, 657, -110, -393, -554, -178, 884, -896, 328]

SOLUTION: [-830, 540, 220, 530, 660, -110, -390, -550, -180, 880, -900, 330]

PROBLEM: [-945, 162, -957, 115, -87, 929, 321, 373, 532, 315, 956, -997, -311, 18]

SOLUTION: [-940, 160, -960, 120, -90, 930, 320, 370, 530, 320, 960, -1000, -310, 20]

PROBLEM: [-840, 55, -452, 130, -197, -536]

SOLUTION:
[-840, 60, -450, 130, -200, -540]