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: [-2, 54, 35, -67]

Answer: [26.0, 44.5, -16.0]


Question: [-18, -74, -7, 59, -76, -57, -99, 65]

Answer: [-46.0, -40.5, 26.0, -8.5, -66.5, -78.0, -17.0]


Question: [-52, -59, 81, 14, 81, 19, 9, -83, 97, -2, 34, -52, -88, 51]

Answer:
[-55.5, 11.0, 47.5, 47.5, 50.0, 14.0, -37.0, 7.0, 47.5, 16.0, -9.0, -70.0, -18.5]