Instructions: 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: [141.854, -17.197, -94.653, 64.323, 206.034, 183.205]
Output:
80.594