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: [-93, 99, -27, -69, -48]

Answer: [3.0, 36.0, -48.0, -58.5]


Question: [-31, 39, -47]

Answer: [4.0, -4.0]


Question: [97, 58, -21, -59]

Answer:
[77.5, 18.5, -40.0]