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: [91, -52, -63, 41]

Answer: [19.5, -57.5, -11.0]


Question: [4, 49]

Answer: [26.5]


Question: [-10, 97, -27, 48, 74, 67]

Answer:
[43.5, 35.0, 10.5, 61.0, 70.5]