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: [74.601, 131.018, -45.91]

Answer: 53.236


Question: [-61.905, -98.66, 90.472, 237.317, 5.243, 196.933]

Answer: 61.567


Question: [-43.766, -0.095, 65.852, 0.241, 31.404, 130.034, 171.659]

Answer:
50.761