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:
[-31.252, 246.934, 96.512, 19.356, -50.759, 134.528, 176.914, 17.007, 171.802]
answer:
86.782


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


question:
[-28.461, 60.434, -2.884, 230.353, 225.505, -31.839, -53.558]
answer:

57.079