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: [113.021, 101.946, -14.79, -8.555, -59.095, -74.169, 80.193, 157.87, 26.321, -19.87]

Answer: 30.287


Question: [182.852, 102.398, 200.428, -71.943, 50.578, -59.389, 0.465]

Answer: 57.913


Question: [238.159, 242.655, -38.154, 197.2, 44.152, 186.333, 225.2, 38.874]

Answer:
141.802