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: [-81, 99, -79, 70, 91]

A: [9.0, 10.0, -4.5, 80.5]
****
Q: [91, 4, -53, 2, 79, -22, -71]

A: [47.5, -24.5, -25.5, 40.5, 28.5, -46.5]
****
Q: [77, -69, -47, 13, 70, 22, 70, 22, -29, 80, 83]

A:
[4.0, -58.0, -17.0, 41.5, 46.0, 46.0, 46.0, -3.5, 25.5, 81.5]
****