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: [-82.177, 125.682, 165.758, -60.947, 201.713, -37.733, -24.461, 75.864, 193.276, 231.2]

78.818