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:
[21.723, 130.05, 75.095]
answer:
75.623


question:
[-78.906, 119.863, 44.561, 1.523]
answer:
21.76


question:
[130.346, -68.43, 203.192, 18.149]
answer:

70.814


