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: [20, -17, 41, -60, 2, 64, 36, 16, -43]

A: [1.5, 12.0, -9.5, -29.0, 33.0, 50.0, 26.0, -13.5]
****
Q: [-31, 47, -12, 69, 3, 15, 55, 87, 81, 75, -77, -59, -28]

A: [8.0, 17.5, 28.5, 36.0, 9.0, 35.0, 71.0, 84.0, 78.0, -1.0, -68.0, -43.5]
****
Q: [-99, 26, 2, -80, 86, -40, -29, -90, -13, 61]

A:
[-36.5, 14.0, -39.0, 3.0, 23.0, -34.5, -59.5, -51.5, 24.0]
****