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.
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Question: [45.112, 147.024, -15.583, 33.655, -60.031]

Answer: 30.035


Question: [222.94, 54.014, 232.208, -16.089, 214.915, 2.232]

Answer: 118.37


Question: [68.635, 85.41, 234.806, 199.165, -83.691, 179.288, -81.042, 143.844, 20.881, -39.197]

Answer:
72.81