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: [-60.041, -56.779, 6.2, 73.114, 137.319]

Answer: 19.963


Question: [-57.838, -63.616, 49.646, -45.262, 73.1, -82.399, 47.168]

Answer: -11.314


Question: [178.931, 227.744, -94.385, 227.269, 27.205, -93.034, 243.507]

Answer:
102.462