Definition: 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.
Input: [183.184, 122.179, 241.407, 3.924, 69.309, 133.988, -62.87, -95.258, 165.007, -34.058]

72.681