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: [161.683, 162.041, 187.429, -79.681, 60.809, 225.806]

Answer: 119.681


Question: [22.306, 72.768, 218.947, 52.973, 100.121, 157.59, -92.109]

Answer: 76.085


Question: [193.742, 135.546, -27.097, 241.968, -83.213, 222.107, 80.495]

Answer:
109.078