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: [-89, 83, 0, -53]

Answer: [-3.0, 41.5, -26.5]


Question: [97, -97, 10]

Answer: [0.0, -43.5]


Question: [-82, 1, 88, 18, -91]

Answer:
[-40.5, 44.5, 53.0, -36.5]