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: [-22, -85]

Answer: [-53.5]


Question: [-59, 49]

Answer: [-5.0]


Question: [-90, 18, -17, 85, 54]

Answer:
[-36.0, 0.5, 34.0, 69.5]