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: [77, -69, -47, 13, 70, 22, 70, 22, -29, 80, 83]

Answer: [4.0, -58.0, -17.0, 41.5, 46.0, 46.0, 46.0, -3.5, 25.5, 81.5]


Question: [66, -73, -61, -3, 2, -47, -91, 97, 58, -62, 81, -71, -43, -40, -65]

Answer: [-3.5, -67.0, -32.0, -0.5, -22.5, -69.0, 3.0, 77.5, -2.0, 9.5, 5.0, -57.0, -41.5, -52.5]


Question: [-36, -63, 6, 23, 5]

Answer:
[-49.5, -28.5, 14.5, 14.0]