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: [138.526, 60.81, 233.845, -33.602, 189.784, 13.888, 184.543, 53.635, 18.299, -87.132]

A: 77.26
****
Q: [199.728, -96.25, -77.714]

A: 8.588
****
Q: [68.467, 152.064, 238.941, -70.813]

A:
97.165
****