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:
[22.971, 146.947, 84.327, 123.65, -30.682, -43.973, 211.836, 146.398, -65.992]
answer:
66.165


question:
[-51.625, 100.25, -75.262, -53.896]
answer:
-20.133


question:
[-65.445, 3.537, 214.879, -67.657, -10.15, 43.522, 89.312, -58.043, 143.491, -89.705]
answer:

20.374