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: [43.362, 111.151, 162.709, 43.974, 184.165, 238.15, 181.927]

SOLUTION: 137.92

PROBLEM: [-57.334, 24.995, 72.22, -78.376, 218.297, 203.999, 21.93, -20.246, 15.97]

SOLUTION: 44.606

PROBLEM: [0.019, 63.188, 93.403, 160.256, -16.151, 67.104, 224.302]

SOLUTION:
84.589