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: [-3, -21, 57, -70, -97, -90, 31, 83, 68, -34, -65, 13]

A: [-12.0, 18.0, -6.5, -83.5, -93.5, -29.5, 57.0, 75.5, 17.0, -49.5, -26.0]
****
Q: [-83, -69, -51, 12, 67, 99, 74, 77, -6, -81, -13, -70, -34, -8, 25]

A: [-76.0, -60.0, -19.5, 39.5, 83.0, 86.5, 75.5, 35.5, -43.5, -47.0, -41.5, -52.0, -21.0, 8.5]
****
Q: [-80, -14, -93, 19, -68, 1, -54, -20, 97, -99]

A:
[-47.0, -53.5, -37.0, -24.5, -33.5, -26.5, -37.0, 38.5, -1.0]
****