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: [-17.106, 23.8, -54.195, 233.82, -99.732, -68.488, 215.616]

Answer: 33.388


Question: [-81.517, 126.001, 203.19, 236.819, 36.037, 152.691, -1.444, -37.296]

Answer: 79.31


Question: [6.446, -99.203, 195.258, 89.512, 145.109, 224.214]

Answer:
93.556