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:
[138.63, 106.759, 86.625]
answer:
110.671


question:
[49.035, -81.115, 27.419]
answer:
-1.554


question:
[-25.532, 0.441, 194.534]
answer:

56.481