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: [-32, 19, 54, -51]

A: [-6.5, 36.5, 1.5]
****
Q: [-19, 69, 5, -99, 92, 24]

A: [25.0, 37.0, -47.0, -3.5, 58.0]
****
Q: [55, 78]

A:
[66.5]
****