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: [156, 929, 672, 427, 23, 77]

SOLUTION: [160, 930, 670, 430, 20, 80]

PROBLEM: [-816, 642, -362, 222, 737, -773]

SOLUTION: [-820, 640, -360, 220, 740, -770]

PROBLEM: [215, 615, 267, -333, -210, -310, 370, -650, -248, -885, -524, 643, -500, -658, 593]

SOLUTION:
[220, 620, 270, -330, -210, -310, 370, -650, -250, -880, -520, 640, -500, -660, 590]