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: [-940, -882, -558, -520, 426, -378, -593, 667, -767, 583, 570, 916]

SOLUTION: [-940, -880, -560, -520, 430, -380, -590, 670, -770, 580, 570, 920]

PROBLEM: [237, 595, -717, -271, -370, -472, 669]

SOLUTION: [240, 600, -720, -270, -370, -470, 670]

PROBLEM: [-391, -784, 278, -850, 471, 909, 402, -623, 505, 565]

SOLUTION:
[-390, -780, 280, -850, 470, 910, 400, -620, 500, 560]