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: [66.666, -70.196, -39.152]

A: -14.227
****
Q: [193.91, 159.502, 226.363, 152.723, 47.512, 74.563, 40.762, -60.456, 87.324, 80.779]

A: 100.298
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Q: [180.511, -82.668, 159.385]

A:
85.743
****