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: [87.258, 29.558, -48.199, -28.615, 46.642]

A: 17.329
****
Q: [214.656, -82.183, 105.038, -34.9, -44.836, 143.236, 183.045, 160.483, 34.398]

A: 75.437
****
Q: [156.146, -88.32, 1.211, 11.366, 216.143, 66.781, 155.255]

A:
74.083
****