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:
[215.854, -43.532, 51.416]
answer:
74.579


question:
[-89.59, -15.783, 35.306, 46.851, 97.275, 19.027, 200.372, 62.551]
answer:
44.501


question:
[220.205, -41.977, 36.28, 99.386, -53.347, 109.005, 244.313, 168.351, 148.904, -22.678]
answer:

90.844