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:
[135.807, 205.755, 191.805]
answer:
177.789


question:
[-33.746, 231.27, 122.704, -25.907, -56.96]
answer:
47.472


question:
[-73.746, -57.239]
answer:

-65.492