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: [22.971, 146.947, 84.327, 123.65, -30.682, -43.973, 211.836, 146.398, -65.992]

A: 66.165
****
Q: [131.164, 99.999, 138.488, 57.264, -40.069, -82.402, -42.836]

A: 37.373
****
Q: [4.446, 70.393, 211.477]

A:
95.439
****