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: [-38.715, 205.647, 66.034, 49.8, -92.051, 111.017, 149.689]

A: 64.489
****
Q: [135.807, 205.755, 191.805]

A: 177.789
****
Q: [64.128, 43.751, 33.805, 63.095, -68.833]

A:
27.189
****