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: [-21.77, 172.703, -31.807, 129.587, 84.624, 14.279]

A: 57.936
****
Q: [41.212, 221.072, 226.666, 3.688, 180.239, 142.767, 184.012, 63.249]

A: 132.863
****
Q: [30.7, 241.916, 245.677, -26.708, 212.446, 81.786, 208.412, 237.096, 155.359]

A:
154.076
****