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:
[84.527, 159.538, -20.208, 42.181, -12.587, -86.549, 131.349, 63.615, 150.304]
answer:
56.908


question:
[21.659, 63.646, -97.361]
answer:
-4.019


question:
[229.505, 232.741, 204.089, -55.253, 171.92]
answer:

156.6