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:
[-81.785, -44.121]
answer:
-62.953


question:
[66.666, -70.196, -39.152]
answer:
-14.227


question:
[-29.406, 6.867, 186.276, 183.81]
answer:

86.887