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: [9, 62, 4, -63, -50, 9, -19, -42, -20]

A: [35.5, 33.0, -29.5, -56.5, -20.5, -5.0, -30.5, -31.0]
****
Q: [22, -56]

A: [-17.0]
****
Q: [0, 22, -61, -52, -55, -32, 75, -60, -34]

A:
[11.0, -19.5, -56.5, -53.5, -43.5, 21.5, 7.5, -47.0]
****