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: [-10, 80, -47, 88, 17, 70, -21, 5]

Answer: [35.0, 16.5, 20.5, 52.5, 43.5, 24.5, -8.0]


Question: [-31, 39, -47]

Answer: [4.0, -4.0]


Question: [50, -70, -40, 77, 60, -79, -16, 56, 42]

Answer:
[-10.0, -55.0, 18.5, 68.5, -9.5, -47.5, 20.0, 49.0]


