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].
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Question: [56, -71, -75, 36, 77, -13, 72, 40, -43]

Answer: [-7.5, -73.0, -19.5, 56.5, 32.0, 29.5, 56.0, -1.5]


Question: [-15, -37, -91, -88, -52, -30, 63, 69, -36, 41, 39, -49, 7, -57, -37]

Answer: [-26.0, -64.0, -89.5, -70.0, -41.0, 16.5, 66.0, 16.5, 2.5, 40.0, -5.0, -21.0, -25.0, -47.0]


Question: [29, -56, -19, -20, -3, -58, 58]

Answer:
[-13.5, -37.5, -19.5, -11.5, -30.5, 0.0]