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: [25, -2, -89, -18, 21, 27, -11, -40, 38, 92, 85, -51, -89, -44, -19]

A: [11.5, -45.5, -53.5, 1.5, 24.0, 8.0, -25.5, -1.0, 65.0, 88.5, 17.0, -70.0, -66.5, -31.5]
****
Q: [-56, 32, -54]

A: [-12.0, -11.0]
****
Q: [50, -89, -94, -15, 28, 0, 29, -2]

A:
[-19.5, -91.5, -54.5, 6.5, 14.0, 14.5, 13.5]
****