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: [159.291, 160.61, -50.992, 34.053, 78.883, 222.627, 105.95]

Answer: 101.489


Question: [-78.906, 119.863, 44.561, 1.523]

Answer: 21.76


Question: [148.458, -53.624, 215.138, 83.6, 73.972, -40.958, 178.166]

Answer:
86.393