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: [34.481, 76.374, 1.63, 129.511, 162.059, 199.306, 1.295, 93.993]

87.331