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: [-57.148, -59.655, 208.462, 223.004, 100.684, 188.569]

A: 100.653
****
Q: [79.132, 226.507, 40.498, 100.658, 75.361]

A: 104.431
****
Q: [159.574, 69.724, -21.198]

A:
69.367
****