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: [645, -706]

SOLUTION: [640, -710]

PROBLEM: [-991, 14, -120, 123, 498, -602, 749, 342, -130, -141, 325, 350, -740, -979, 565]

SOLUTION: [-990, 10, -120, 120, 500, -600, 750, 340, -130, -140, 320, 350, -740, -980, 560]

PROBLEM: [393, 422, 149, 334, -301, 434, 447, 742]

SOLUTION:
[390, 420, 150, 330, -300, 430, 450, 740]