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: [75, 87, -2, 42, -20, -50, 51]

Answer: [81.0, 42.5, 20.0, 11.0, -35.0, 0.5]


Question: [5, 5]

Answer: [5.0]


Question: [-63, 0]

Answer:
[-31.5]