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: [-39, -78, -10, -56, 67, 4, 97, 31]

A: [-58.5, -44.0, -33.0, 5.5, 35.5, 50.5, 64.0]
****
Q: [92, -17, -95, -37, -56, 82, -96, 89, 35, -22, -58, -7, 80, 86, 55]

A: [37.5, -56.0, -66.0, -46.5, 13.0, -7.0, -3.5, 62.0, 6.5, -40.0, -32.5, 36.5, 83.0, 70.5]
****
Q: [88, -20, -3, -93, 28, 88, -55, -56, -42, -27, 97, -20]

A:
[34.0, -11.5, -48.0, -32.5, 58.0, 16.5, -55.5, -49.0, -34.5, 35.0, 38.5]
****