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: [-81, -11, -100, 66, 29, 28, 31, -36]

Answer: [-46.0, -55.5, -17.0, 47.5, 28.5, 29.5, -2.5]


Question: [87, 22, 13, 9, -28, -51, -58, -11, 40, 60, 25]

Answer: [54.5, 17.5, 11.0, -9.5, -39.5, -54.5, -34.5, 14.5, 50.0, 42.5]


Question: [-91, 13, 89, 47, 2, -78, -76, -53]

Answer:
[-39.0, 51.0, 68.0, 24.5, -38.0, -77.0, -64.5]