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: [-30, -31, 75, 43, 12, -78, 39, 74, 69, -92, -23, -22]

A: [-30.5, 22.0, 59.0, 27.5, -33.0, -19.5, 56.5, 71.5, -11.5, -57.5, -22.5]
****
Q: [-78, -89, -72, 90, -85, -78, -35]

A: [-83.5, -80.5, 9.0, 2.5, -81.5, -56.5]
****
Q: [-17, -28]

A:
[-22.5]
****