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:
[-42.207, -46.667, 171.095]
answer:
27.407


question:
[77.498, 234.955, 184.005, -48.344, 113.167]
answer:
112.256


question:
[58.622, -76.222, 70.299, 134.77, 102.578, 153.455]
answer:

73.917