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: [-84, -19]

A: [-51.5]
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Q: [69, -90, -81, -41, -38, -41, 15, 55, 18, -24, 52, -55, 79, 84, -59]

A: [-10.5, -85.5, -61.0, -39.5, -39.5, -13.0, 35.0, 36.5, -3.0, 14.0, -1.5, 12.0, 81.5, 12.5]
****
Q: [-92, -97, 98, -2, 35, 22, -21, -1]

A:
[-94.5, 0.5, 48.0, 16.5, 28.5, 0.5, -11.0]
****