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: [-98.361, -84.91]

A: -91.636
****
Q: [-32.557, -70.922, 191.786, 244.222]

A: 83.132
****
Q: [-85.708, 82.276, 129.848]

A:
42.139
****