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: [-57.334, 24.995, 72.22, -78.376, 218.297, 203.999, 21.93, -20.246, 15.97]

Answer: 44.606


Question: [233.84, -38.337, 10.341, 195.901, 68.586, 214.429, 213.823, 88.799]

Answer: 123.423


Question: [183.022, 131.235, 109.879, -53.343]

Answer:
92.698