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: [141.597, -13.558, -15.987, -52.44, 77.914]

Answer: 27.505


Question: [151.151, 144.049, 217.252]

Answer: 170.817


Question: [58.371, 4.131]

Answer:
31.251