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: [119.073, 43.068, 67.848, 110.865, 248.368, 141.173, 130.342, -64.216, 60.822, -98.735]

75.861