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:
[215.854, -43.532, 51.416]
answer:
74.579


question:
[53.271, 224.646, -66.568, -23.058, -60.09, 178.437, -70.082, 131.116]
answer:
45.959


question:
[-86.432, 99.258, 88.896, 202.372, 84.037, 104.104]
answer:

82.039