You will be given a definition of a task first, then some input of the task.
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.

[3.323, 223.97, 242.737, 82.121, 27.648, 94.639, -33.193, 3.522, -50.421]
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
66.038