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: [228.031, -85.617, 36.164]

Answer: 59.526


Question: [217.276, 69.181, 56.534, 10.472, 148.018, 38.673, -94.676, 241.577, -23.436, 45.907]

Answer: 70.953


Question: [153.457, -71.414, -63.893, 55.214, 227.097]

Answer:
60.092