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.

[234.272, 196.413, -92.425]
112.753

[166.542, 216.326, 98.969, -96.779, 33.532]
83.718

[222.32, 97.036, 3.207, -51.705, -72.276]

39.716