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.

Q: [-40.509, 201.39]

A: 80.44
****
Q: [84.527, 159.538, -20.208, 42.181, -12.587, -86.549, 131.349, 63.615, 150.304]

A: 56.908
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Q: [-47.846, -29.413, 158.515, -49.593, 46.52, 47.865, -63.384]

A:
8.952
****