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:
[153.482, 150.917]
answer:
152.2


question:
[113.238, 247.072, -31.448, -33.563, 74.519, 67.841]
answer:
72.943


question:
[-31.181, -2.589, 51.847, 105.073, -66.206, 162.609, -12.31, 190.92, -33.967, 222.499]
answer:

58.669