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.

[-95.352, -26.358, 34.234, 162.959, 239.101, 137.014]
75.266

[109.74, 169.0, 195.864, -1.043, 51.968, -56.564, 214.711, -78.61, 212.459, 228.74]
104.626

[247.77, 12.17, 124.226, 208.594, -52.038, -84.444, -67.881, 24.99, -47.418, 15.671]

38.164