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: [115.65, 106.928, 127.423, 123.474, 74.097, 201.315, 89.505]
A:
119.77