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: [-29, -56, -77, -51, 5, -12, -80]

A: [-42.5, -66.5, -64.0, -23.0, -3.5, -46.0]
****
Q: [-80, -84]

A: [-82.0]
****
Q: [-47, 58, 28]

A:
[5.5, 43.0]
****