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: [-50.144, 0.802]

A: -24.671
****
Q: [75.879, 43.123]

A: 59.501
****
Q: [142.49, -33.203, -8.182]

A:
33.702
****