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: [-27.115, -11.908, 125.703, 202.749, 139.333, 242.982, -93.292, 161.484]

SOLUTION: 92.492

PROBLEM: [-51.709, 7.971, 56.819, 147.653, 82.016, 33.283, 17.84, -45.317, 152.854, 6.908]

SOLUTION: 40.832

PROBLEM: [-75.549, 42.77, 143.141, 6.497]

SOLUTION:
29.215