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: [15.748, -13.369, -79.943, -2.78, 169.174, 101.44, -84.923, 189.589, 83.541, -37.629]

Answer: 34.085


Question: [219.769, -36.26, 3.121, -22.5, 124.372]

Answer: 57.7


Question: [143.937, 218.668, -88.238, 214.387, 229.552, -17.821, 136.927, -56.889]

Answer:
97.565