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: [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: [-79, 58]

Answer: [-10.5]


Question: [95, -87, -48, 69, -76, -19, 97, 97, -50, -74, -87, 91, 12, -47, 45]

Answer:
[4.0, -67.5, 10.5, -3.5, -47.5, 39.0, 97.0, 23.5, -62.0, -80.5, 2.0, 51.5, -17.5, -1.0]