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, 23, -18, 1, -66]

Answer: [58.0, 2.5, -8.5, -32.5]


Question: [-53, 31, 52]

Answer: [-11.0, 41.5]


Question: [21, -43, 37, 57, 63, 90]

Answer:
[-11.0, -3.0, 47.0, 60.0, 76.5]