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:
[169.421, 88.16]
answer:
128.791


question:
[217.978, 70.977, 31.129, -87.408, -99.013, 249.862, -87.151, 207.527, 43.432]
answer:
60.815


question:
[-83.249, -7.201, -69.883, 13.134, 208.71, 247.493]
answer:

51.501