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: [62.65, 155.504, 55.659, 77.757]

SOLUTION: 87.892

PROBLEM: [248.385, -40.468, -97.132]

SOLUTION: 36.928

PROBLEM: [179.144, 114.883, -6.86, 137.104, 4.024, 55.61, 169.274, -60.246, 66.322, -92.91]

SOLUTION:
56.634