instruction:
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.
question:
[-42.207, -46.667, 171.095]
answer:
27.407


question:
[141.597, -13.558, -15.987, -52.44, 77.914]
answer:
27.505


question:
[147.963, 63.529]
answer:

105.746