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: [-67.542, 65.934, 223.305, 25.694, 159.037]

A: 81.286
****
Q: [-19.13, 98.86, 158.686, 230.23]

A: 117.161
****
Q: [86.152, 7.562, 222.175]

A:
105.296
****