Detailed 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.
Q: [240.737, -82.618, 64.972, 26.043, 49.738, -69.772, 84.096, -78.108]
A:
29.386