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: [0.937, 14.933, 42.489, 224.385, 218.168, 61.875, -92.155, 207.237, 125.822, 1.474]

80.516