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: [-42, 68, -97, 81, 6, 30, 71, 61, -73]

A: [13.0, -14.5, -8.0, 43.5, 18.0, 50.5, 66.0, -6.0]
****
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: [-53, -20, 30, 32, -53, 72, 78, -37, -40, -90, -71, -27]

A:
[-36.5, 5.0, 31.0, -10.5, 9.5, 75.0, 20.5, -38.5, -65.0, -80.5, -49.0]
****