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: [-4.749, 102.787, -45.229, 184.111, 221.888, 22.727, 20.887, 34.094]

A: 67.065
****
Q: [75.577, -33.878, 133.731, 34.577, 122.825]

A:
66.566
****