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: [134.631, 27.106]

SOLUTION: 80.868

PROBLEM: [54.715, 180.963, 239.308, 175.084, 147.044, 136.262, 184.009]

SOLUTION: 159.626

PROBLEM: [161.151, 80.621]

SOLUTION:
120.886