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: [-57.334, 24.995, 72.22, -78.376, 218.297, 203.999, 21.93, -20.246, 15.97]

A: 44.606
****
Q: [-19.26, 130.53, 225.367, 179.475, -63.39]

A: 90.544
****
Q: [234.843, 52.306, 40.85, 227.132, 192.94, 68.671, -99.124, 169.261, -89.051, -10.679]

A:
78.715
****