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: [-7.892, -43.609, 46.236, -78.213, -76.066]

A: -31.909
****
Q: [217.978, 70.977, 31.129, -87.408, -99.013, 249.862, -87.151, 207.527, 43.432]

A: 60.815
****
Q: [65.937, -21.9, 240.823]

A:
94.953
****