TASK DEFINITION: In this task you will be given a list of numbers and you need to find the mean (average) of that list. The mean of a list can be found by summing every number in the list then dividing the result by the size of that list. The output should be rounded to 3 decimal places.
PROBLEM: [219.769, -36.26, 3.121, -22.5, 124.372]

SOLUTION: 57.7

PROBLEM: [243.697, 165.796, 114.518, 207.298, 191.227]

SOLUTION: 184.507

PROBLEM: [-32.571, 128.55, -92.95, -75.275, 196.64, 181.068, -38.034, 192.871, -23.134, 8.658]

SOLUTION:
44.582