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, -62, -77, 30]

Answer: [15.5, -69.5, -23.5]


Question: [38, -15, -76]

Answer: [11.5, -45.5]


Question: [82, -57, 1]

Answer:
[12.5, -28.0]