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: [192.529, -67.249, 123.707, 41.987, 11.587, 202.189, 12.989]

Answer: 73.963


Question: [199.874, -45.634, -39.343, 75.985, 143.35, 87.15, 120.645, -34.636, 159.567]

Answer: 74.106


Question: [129.9, 162.574, 12.78, 74.385, -93.612, 80.394]

Answer:
61.07