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: [205.777, 186.173, 208.307, 235.504, 98.185, 154.014, 248.815, 153.146]

186.24