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: [-58.447, 213.433, 187.859, 103.704]

Answer: 111.637


Question: [129.453, 232.284, -34.595]

Answer: 109.047


Question: [39.541, 164.143]

Answer:
101.842