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:
[213.149, 184.894, -93.544, 195.043, 78.738, 229.09, 220.609, 80.079, 7.498]
answer:
123.951


question:
[21.531, 221.161, -31.194]
answer:
70.499


question:
[230.511, 82.342, -99.243, -34.634, 128.067, 115.224, 57.888, -51.674, 81.074]
answer:

56.617