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: [-100, -100, -39, 13, 24, -2, 77, 37, -20, -38, 18, 55]

A: [-100.0, -69.5, -13.0, 18.5, 11.0, 37.5, 57.0, 8.5, -29.0, -10.0, 36.5]
****
Q: [-68, -9, -91, -69, -63, -48, -52, -57, -56, -85, 75, -19]

A: [-38.5, -50.0, -80.0, -66.0, -55.5, -50.0, -54.5, -56.5, -70.5, -5.0, 28.0]
****
Q: [25, -55, 86, -20, 13]

A:
[-15.0, 15.5, 33.0, -3.5]
****