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:
[53.391, 118.782, 102.742]
answer:
91.638


question:
[-63.278, 115.92, 179.699, 73.157]
answer:
76.374


question:
[77.558, 212.183, 22.334, -13.652, 179.857, 11.818, -55.27, 238.171, -7.472]
answer:

73.947