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: [57, -26, -99, 61, 13, 31]

A: [15.5, -62.5, -19.0, 37.0, 22.0]
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Q: [1, -27, 100, -100, -52, -57, 25, -14, -46, 81]

A: [-13.0, 36.5, 0.0, -76.0, -54.5, -16.0, 5.5, -30.0, 17.5]
****
Q: [-37, 35]

A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
[-1.0]
****
