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: [29.292, 193.26, -48.646]

Answer: 57.969


Question: [-92.167, -67.984, -31.831, -21.057, 101.792, 114.116, 185.901, -25.874]

Answer: 20.362


Question: [129.231, 176.643, 49.171, 166.264, 215.914, 68.386, 51.25]

Answer:
122.408