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: [-49.786, 238.124, -20.697, 32.014]

Answer: 49.914


Question: [15.799, 6.545, 101.018, -76.074, 51.291, -58.732, 131.857, -36.93, 131.423]

Answer: 29.577


Question: [156.962, -39.015, -89.51, 232.862, 240.492, -85.185, 212.782, -42.154]

Answer:
73.404