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:
[238.315, 168.986, -67.694]
answer:
113.202


question:
[-96.182, -37.177, 130.645, -44.92, -12.78, 90.335, -99.791, -11.926, 217.275]
answer:
15.053


question:
[57.157, 114.845, 139.172, -10.388, 41.101, 199.327, -5.868]
answer:

76.478