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: [135.807, 205.755, 191.805]

Answer: 177.789


Question: [243.697, 165.796, 114.518, 207.298, 191.227]

Answer: 184.507


Question: [122.019, 183.668, 235.06, 131.735]

Answer:
168.121


