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: [-979, 623, -392, -669, -392, -5, -467, -839]

SOLUTION: [-980, 620, -390, -670, -390, 0, -470, -840]

PROBLEM: [-231, 188, -899, -411, -692, 522, -17, -344, 575, 632, -660]

SOLUTION: [-230, 190, -900, -410, -690, 520, -20, -340, 580, 630, -660]

PROBLEM: [506, 443, -326, -803, -776, -648]

SOLUTION:
[510, 440, -330, -800, -780, -650]