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: [196.683, 97.538, 247.799, 203.036, 203.369, -15.737]

A: 155.448
****
Q: [138.602, 158.458, 241.327, 194.509, 169.45, -56.151]

A: 141.032
****
Q: [-16.238, -20.414, 64.929, -69.146]

A:
-10.217
****