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: [89.226, 241.396, 7.011, 114.867, 113.075, 103.559, 83.142, 188.743, -27.33, 180.773]

Answer: 109.446


Question: [74.601, 131.018, -45.91]

Answer: 53.236


Question: [89.829, 21.904, 63.779, -90.557, -17.003, 13.672, 218.112, 105.385, 43.244]

Answer:
49.818