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: [17.002, 179.236, 60.396, 98.09]

SOLUTION: 88.681

PROBLEM: [110.444, 23.089, -6.235, 112.579, 31.292, 190.857, 58.854, 148.587, 163.706, -5.219]

SOLUTION: 82.795

PROBLEM: [-64.17, 66.619, 131.319, 170.241, 186.539, 47.378, -56.022, 28.098, 20.752]

SOLUTION:
58.973