instruction:
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:
[146.815, 125.411, 84.472, -63.01, 79.256, -34.213, 248.004, -86.96, -39.397]
answer:
51.153


question:
[-17.106, 23.8, -54.195, 233.82, -99.732, -68.488, 215.616]
answer:
33.388


question:
[206.479, 34.41, 88.883]
answer:

109.924