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: [-34, 7, -83, 25, -31, 7]

A: [-13.5, -38.0, -29.0, -3.0, -12.0]
****
Q: [69, -85, -82, 75, -40, 98, -48, 27, -52, -45]

A: [-8.0, -83.5, -3.5, 17.5, 29.0, 25.0, -10.5, -12.5, -48.5]
****
Q: [-39, -12, 87, 85, -56, -53, -48, -81, 21]

A:
[-25.5, 37.5, 86.0, 14.5, -54.5, -50.5, -64.5, -30.0]
****