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: [70.282, -54.718, 95.793, 94.043, 183.314]

SOLUTION: 77.743

PROBLEM: [91.408, 178.508, 77.081, 13.419, 185.372, 158.828]

SOLUTION: 117.436

PROBLEM: [108.691, 208.128, 191.567, 98.62, -87.103]

SOLUTION:
103.981