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: [195.111, 138.234, 84.813, 181.552, -34.974, -67.378, -0.833, 1.359, -37.444, 114.215]

57.466