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: [72.326, -74.6, 127.566, -54.848, 198.529, -44.061, -28.155]

A: 28.108
****
Q: [208.678, 219.921, 113.318, 23.83, -42.88, -32.702, -36.191, 117.84, 91.988]

A: 73.756
****
Q: [149.875, 243.866, -97.256, -93.995, -24.761, 116.816, 78.857]

A:
53.343
****