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:
[113.021, 101.946, -14.79, -8.555, -59.095, -74.169, 80.193, 157.87, 26.321, -19.87]
answer:
30.287


question:
[138.63, 106.759, 86.625]
answer:
110.671


question:
[-29.579, 140.289, 149.431, -3.613, 227.44, -20.94, 80.001, -26.74, 117.711, 87.216]
answer:

72.122