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: [-872, 360, 886, -781, 994]

SOLUTION: [-870, 360, 890, -780, 990]

PROBLEM: [392, -5, 134]

SOLUTION:
[390, 0, 130]