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: [142.225, 243.809, -41.935, 96.795, -99.067, 222.292, 113.486, 143.726]

Answer: 102.666


Question: [153.482, 150.917]

Answer: 152.2


Question: [225.871, 161.204, -82.717, -77.294]

Answer:
56.766