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: [82.992, 235.629, -36.094, -43.326, 27.531, -12.091, 212.495, 34.388]

62.69