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:
[229.461, -89.251, 170.954]
answer:
103.721


question:
[17.197, 152.985, 73.815]
answer:
81.332


question:
[84.337, 8.022]
answer:

46.18