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: [-56.201, -77.67, -75.53, -51.92, 146.416, 141.525]

SOLUTION: 4.437

PROBLEM: [89.776, -37.895, -45.315, 75.805, 144.052, 150.156]

SOLUTION: 62.763

PROBLEM: [-57.108, -16.819, 79.314, 94.108, -33.463, -14.495, -48.311, 201.396, -24.222]

SOLUTION:
20.044