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: [29.292, 193.26, -48.646]

A: 57.969
****
Q: [-89.318, 247.959, 25.441, -92.763, 172.246, -57.286, 181.58]

A: 55.408
****
Q: [118.823, -21.969, 129.9, -75.07, -70.035, 74.708, -72.904]

A:
11.922
****