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: [95.472, 109.291, 245.955, 86.122, -90.639, 144.544, 31.063, 89.001, 40.671]

SOLUTION: 83.498

PROBLEM: [193.711, 110.309, -20.334, 151.607, 158.797, -97.825, -59.931]

SOLUTION: 62.333

PROBLEM: [50.38, -50.682, 129.728, -21.02, 163.604, 138.94]

SOLUTION:
68.492