Q: 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.
[53.339, -25.165, 198.489, -1.704, 19.883, 53.586, 60.527, -92.041, 59.494, 138.565]
A:
46.497