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.

Q: [-66.387, 135.639, 182.921, 175.573, 105.67, -29.751, 156.67, 83.119, 19.538]

A: 84.777
****
Q: [203.976, 106.117, 62.128, -89.428, 180.453, 155.566, 213.868]

A: 118.954
****
Q: [-12.713, 52.148, 221.074, 194.73, -19.277, -13.807, 114.31, 181.762, 247.685]

A:
107.324
****