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


question:
[-47.309, -46.076, 191.14, -6.032, 4.858]
answer:
19.316


question:
[128.893, 241.837, 3.015, 210.487]
answer:

146.058