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: [57.478, 212.225, -90.816, -10.092, 238.514, 60.36, 59.627]

SOLUTION: 75.328

PROBLEM: [93.34, 211.631, 173.556, -91.68, 236.096]

SOLUTION: 124.589

PROBLEM: [61.911, -99.08, 3.512, -69.373, 240.562, 221.108, 43.672, 200.51]

SOLUTION:
75.353