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: [85.354, -22.629, 51.171, 238.376, 177.126, -90.135, -84.086, 175.426, -80.74]

Answer: 49.985

Question: [-51.603, 117.351, -67.451, 218.664, 68.981, 167.005, -53.851, 104.996]

Answer: 63.012

Question: [72.573, 198.024, 64.573, -98.444, -67.787, -46.476, -51.596, 139.0]

Answer:
26.233