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: [223.955, 41.858, -54.86, 8.742, 110.448]

SOLUTION: 66.029

PROBLEM: [96.706, 239.918, 73.299, 68.184, 233.512, -76.407]

SOLUTION: 105.869

PROBLEM: [186.969, 105.661, 184.165, 161.856, -96.067]

SOLUTION:
108.517