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.
--------
Question: [211.927, 190.941, -74.44, 7.991, -80.894, 48.291, 127.383, -51.774]

Answer: 47.428


Question: [-51.496, 56.177, 55.554, -17.425, -6.185, 3.721]

Answer: 6.724


Question: [-89.872, 123.594, 81.341, -47.871, -38.683]

Answer:
5.702