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: [146.748, -23.736, 49.614]

A: 57.542
****
Q: [57.506, 172.357, 191.473, 131.849]

A: 138.296
****
Q: [188.519, -0.783, 42.124, 114.212, 1.817]

A:
69.178
****