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: [220.903, 155.959]

A: 188.431
****
Q: [108.26, -20.681, 127.479, -29.352]

A: 46.426
****
Q: [-33.746, 231.27, 122.704, -25.907, -56.96]

A:
47.472
****