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: [-10.287, -0.47, 195.152, 209.845, -64.645, -82.959, 106.327]

A: 50.423
****
Q: [61.761, 6.557, -93.386, -74.064, 33.4, 141.295]

A: 12.594
****
Q: [128.879, -20.076, -56.915, 143.354]

A:
48.811
****