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:
[138.63, 106.759, 86.625]
answer:
110.671


question:
[215.854, -43.532, 51.416]
answer:
74.579


question:
[194.294, 48.25]
answer:

121.272