In this task you are given a list of numbers and you need to find the average of each two consecutive values. The average of two numbers a and b is calculated as: (a + b) /2. The output should be a list of the averages of each two consecutive values. A list is presented with two brackets and comma-separated values, like: [1,2,3].

Q: [-2, -57, 85, -7, 81, 57, -60, -87, -18]

A: [-29.5, 14.0, 39.0, 37.0, 69.0, -1.5, -73.5, -52.5]
****
Q: [43, 0, 49, -4, -36, -1, -64, 97, -56, 93, -41, -92, -43, -39]

A: [21.5, 24.5, 22.5, -20.0, -18.5, -32.5, 16.5, 20.5, 18.5, 26.0, -66.5, -67.5, -41.0]
****
Q: [73, 21, 35, -14, -95, -54]

A:
[47.0, 28.0, 10.5, -54.5, -74.5]
****