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:
[213.2, 159.287, 214.859, 189.464, 185.706, -85.847, 215.647, 8.545]
answer:
137.608


question:
[21.723, 130.05, 75.095]
answer:
75.623


question:
[230.375, -45.327, 112.137, 109.305]
answer:

101.622