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: [-47, 99, -39, 1, 32, 77, 4, 53, -71]

A: [26.0, 30.0, -19.0, 16.5, 54.5, 40.5, 28.5, -9.0]
****
Q: [10, 69, 6, -80, -39, 74]

A: [39.5, 37.5, -37.0, -59.5, 17.5]
****
Q: [-3, -2, 84, 95, -84, 43, 64, -4, -79, -26, 50, -67, 23, 63]

A:
[-2.5, 41.0, 89.5, 5.5, -20.5, 53.5, 30.0, -41.5, -52.5, 12.0, -8.5, -22.0, 43.0]
****