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: [7, -23]

A: [-8.0]
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Q: [0, -19, -44, 90, -50, 22, 23, -79, -37, 9, -3]

A: [-9.5, -31.5, 23.0, 20.0, -14.0, 22.5, -28.0, -58.0, -14.0, 3.0]
****
Q: [9, 86]

A:
[47.5]
****