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:
[171.439, 0.981, 42.253, 239.995, 129.938, -67.125, -69.565, -53.374, -51.357]
answer:
38.132


question:
[-40.016, 117.495]
answer:
38.74


question:
[117.287, -92.513, -39.762, 69.162, 223.599, 163.693, -67.949, 139.587, 106.428, 72.226]
answer:

69.176