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: [1, 50, -16, -45, 72]

Answer: [25.5, 17.0, -30.5, 13.5]


Question: [-79, 66, 43, -67, -68, -15, 18, 22, -100, 77, -4, 30, 22]

Answer: [-6.5, 54.5, -12.0, -67.5, -41.5, 1.5, 20.0, -39.0, -11.5, 36.5, 13.0, 26.0]


Question: [23, 16, -99, 76, -91, 17, 33, 48, 66, -9, 63, -95, 100]

Answer:
[19.5, -41.5, -11.5, -7.5, -37.0, 25.0, 40.5, 57.0, 28.5, 27.0, -16.0, 2.5]