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: [58, 76, 12, -55, 74, 15, -81]

A: [67.0, 44.0, -21.5, 9.5, 44.5, -33.0]
****
Q: [-69, -35, 56, 64]

A: [-52.0, 10.5, 60.0]
****
Q: [-12, -10, 89, -3, -23, 80, -85, -69, 39, -89]

A:
[-11.0, 39.5, 43.0, -13.0, 28.5, -2.5, -77.0, -15.0, -25.0]
****